Home / 5,431.02-7,494.93-3,072.69

Finding the Fourth Proportional to 5,431.02, 7,494.93 and 3,072.69

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Solution

The fourth proportional to 5,431.02, 7,494.93 and 3,072.69 is: 4,240.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431.02 : 7,494.93 = 3,072.69 : x
  2. Step 2: Convert to fraction form
    5,431.02/7,494.93 = 3,072.69/x
  3. Step 3: Cross multiply
    5,431.02x = 7,494.93 × 3,072.69
  4. Step 4: Simplify right side
    5,431.02x = 23,029,596.46
  5. Step 5: Solve for x
    x = 23,029,596.46/5,431.02
  6. Step 6: Final answer
    x = 4,240.38

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Find fourth proportional to 2,715.51, 3,747.47 and 1,536.35
Half scale
Find fourth proportional to 10,862.04, 14,989.86 and 6,145.38
Double scale
Find fourth proportional to 5,432.02, 7,496.31 and 3,073.69
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.