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Finding the Fourth Proportional to 9,079.59, 12,531.06 and 5,101.68

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Solution

The fourth proportional to 9,079.59, 12,531.06 and 5,101.68 is: 7,041.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,079.59 : 12,531.06 = 5,101.68 : x
  2. Step 2: Convert to fraction form
    9,079.59/12,531.06 = 5,101.68/x
  3. Step 3: Cross multiply
    9,079.59x = 12,531.06 × 5,101.68
  4. Step 4: Simplify right side
    9,079.59x = 63,929,458.18
  5. Step 5: Solve for x
    x = 63,929,458.18/9,079.59
  6. Step 6: Final answer
    x = 7,041.01

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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.