Home / 9,080.78-12,531.92-5,103.14

Finding the Fourth Proportional to 9,080.78, 12,531.92 and 5,103.14

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Solution

The fourth proportional to 9,080.78, 12,531.92 and 5,103.14 is: 7,042.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,080.78 : 12,531.92 = 5,103.14 : x
  2. Step 2: Convert to fraction form
    9,080.78/12,531.92 = 5,103.14/x
  3. Step 3: Cross multiply
    9,080.78x = 12,531.92 × 5,103.14
  4. Step 4: Simplify right side
    9,080.78x = 63,952,054.05
  5. Step 5: Solve for x
    x = 63,952,054.05/9,080.78
  6. Step 6: Final answer
    x = 7,042.58

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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.