Home / 4,145.48-6,220.92-1,954.82

Finding the Fourth Proportional to 4,145.48, 6,220.92 and 1,954.82

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Solution

The fourth proportional to 4,145.48, 6,220.92 and 1,954.82 is: 2,933.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.48 : 6,220.92 = 1,954.82 : x
  2. Step 2: Convert to fraction form
    4,145.48/6,220.92 = 1,954.82/x
  3. Step 3: Cross multiply
    4,145.48x = 6,220.92 × 1,954.82
  4. Step 4: Simplify right side
    4,145.48x = 12,160,778.83
  5. Step 5: Solve for x
    x = 12,160,778.83/4,145.48
  6. Step 6: Final answer
    x = 2,933.50

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Half scale
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Double scale
Find fourth proportional to 4,146.48, 6,222.42 and 1,955.82
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.