Home / 9,081.20-12,532.04-5,047.90

Finding the Fourth Proportional to 9,081.20, 12,532.04 and 5,047.90

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Solution

The fourth proportional to 9,081.20, 12,532.04 and 5,047.90 is: 6,966.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,081.20 : 12,532.04 = 5,047.90 : x
  2. Step 2: Convert to fraction form
    9,081.20/12,532.04 = 5,047.90/x
  3. Step 3: Cross multiply
    9,081.20x = 12,532.04 × 5,047.90
  4. Step 4: Simplify right side
    9,081.20x = 63,260,475.47
  5. Step 5: Solve for x
    x = 63,260,475.47/9,081.20
  6. Step 6: Final answer
    x = 6,966.09

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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.