Home / 4,429.16-6,643.74-1,142.25

Finding the Fourth Proportional to 4,429.16, 6,643.74 and 1,142.25

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Solution

The fourth proportional to 4,429.16, 6,643.74 and 1,142.25 is: 1,713.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,429.16 : 6,643.74 = 1,142.25 : x
  2. Step 2: Convert to fraction form
    4,429.16/6,643.74 = 1,142.25/x
  3. Step 3: Cross multiply
    4,429.16x = 6,643.74 × 1,142.25
  4. Step 4: Simplify right side
    4,429.16x = 7,588,822.33
  5. Step 5: Solve for x
    x = 7,588,822.33/4,429.16
  6. Step 6: Final answer
    x = 1,713.38

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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.