Home / 7,371.28-11,057.42-5,619.04

Finding the Fourth Proportional to 7,371.28, 11,057.42 and 5,619.04

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Solution

The fourth proportional to 7,371.28, 11,057.42 and 5,619.04 is: 8,428.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371.28 : 11,057.42 = 5,619.04 : x
  2. Step 2: Convert to fraction form
    7,371.28/11,057.42 = 5,619.04/x
  3. Step 3: Cross multiply
    7,371.28x = 11,057.42 × 5,619.04
  4. Step 4: Simplify right side
    7,371.28x = 62,132,085.28
  5. Step 5: Solve for x
    x = 62,132,085.28/7,371.28
  6. Step 6: Final answer
    x = 8,428.94

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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.