Home / 7,491.20-11,239.08-5,304.16

Finding the Fourth Proportional to 7,491.20, 11,239.08 and 5,304.16

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Solution

The fourth proportional to 7,491.20, 11,239.08 and 5,304.16 is: 7,957.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491.20 : 11,239.08 = 5,304.16 : x
  2. Step 2: Convert to fraction form
    7,491.20/11,239.08 = 5,304.16/x
  3. Step 3: Cross multiply
    7,491.20x = 11,239.08 × 5,304.16
  4. Step 4: Simplify right side
    7,491.20x = 59,613,878.57
  5. Step 5: Solve for x
    x = 59,613,878.57/7,491.20
  6. Step 6: Final answer
    x = 7,957.85

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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.