Home / 8,908.08-12,293.14-5,129.88

Finding the Fourth Proportional to 8,908.08, 12,293.14 and 5,129.88

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Solution

The fourth proportional to 8,908.08, 12,293.14 and 5,129.88 is: 7,079.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908.08 : 12,293.14 = 5,129.88 : x
  2. Step 2: Convert to fraction form
    8,908.08/12,293.14 = 5,129.88/x
  3. Step 3: Cross multiply
    8,908.08x = 12,293.14 × 5,129.88
  4. Step 4: Simplify right side
    8,908.08x = 63,062,333.02
  5. Step 5: Solve for x
    x = 63,062,333.02/8,908.08
  6. Step 6: Final answer
    x = 7,079.23

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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.