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Finding the Fourth Proportional to 9,079.63, 12,532.26 and 5,102.02

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Solution

The fourth proportional to 9,079.63, 12,532.26 and 5,102.02 is: 7,042.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,079.63 : 12,532.26 = 5,102.02 : x
  2. Step 2: Convert to fraction form
    9,079.63/12,532.26 = 5,102.02/x
  3. Step 3: Cross multiply
    9,079.63x = 12,532.26 × 5,102.02
  4. Step 4: Simplify right side
    9,079.63x = 63,939,841.17
  5. Step 5: Solve for x
    x = 63,939,841.17/9,079.63
  6. Step 6: Final answer
    x = 7,042.12

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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.