Home / 9,089.32-12,540.18-5,906.62

Finding the Fourth Proportional to 9,089.32, 12,540.18 and 5,906.62

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Solution

The fourth proportional to 9,089.32, 12,540.18 and 5,906.62 is: 8,149.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,089.32 : 12,540.18 = 5,906.62 : x
  2. Step 2: Convert to fraction form
    9,089.32/12,540.18 = 5,906.62/x
  3. Step 3: Cross multiply
    9,089.32x = 12,540.18 × 5,906.62
  4. Step 4: Simplify right side
    9,089.32x = 74,070,077.99
  5. Step 5: Solve for x
    x = 74,070,077.99/9,089.32
  6. Step 6: Final answer
    x = 8,149.13

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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.