Home / 8,073.28-11,136.62-7,502.44

Finding the Fourth Proportional to 8,073.28, 11,136.62 and 7,502.44

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Solution

The fourth proportional to 8,073.28, 11,136.62 and 7,502.44 is: 10,349.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,073.28 : 11,136.62 = 7,502.44 : x
  2. Step 2: Convert to fraction form
    8,073.28/11,136.62 = 7,502.44/x
  3. Step 3: Cross multiply
    8,073.28x = 11,136.62 × 7,502.44
  4. Step 4: Simplify right side
    8,073.28x = 83,551,785.84
  5. Step 5: Solve for x
    x = 83,551,785.84/8,073.28
  6. Step 6: Final answer
    x = 10,349.17

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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.