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Finding the Fourth Proportional to 9,020.08, 12,448.10 and 5,041.20

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Solution

The fourth proportional to 9,020.08, 12,448.10 and 5,041.20 is: 6,957.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,020.08 : 12,448.10 = 5,041.20 : x
  2. Step 2: Convert to fraction form
    9,020.08/12,448.10 = 5,041.20/x
  3. Step 3: Cross multiply
    9,020.08x = 12,448.10 × 5,041.20
  4. Step 4: Simplify right side
    9,020.08x = 62,753,287.62
  5. Step 5: Solve for x
    x = 62,753,287.62/9,020.08
  6. Step 6: Final answer
    x = 6,957.06

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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.