Home / 8,714.68-12,025.56-5,129.08

Finding the Fourth Proportional to 8,714.68, 12,025.56 and 5,129.08

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Solution

The fourth proportional to 8,714.68, 12,025.56 and 5,129.08 is: 7,077.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,714.68 : 12,025.56 = 5,129.08 : x
  2. Step 2: Convert to fraction form
    8,714.68/12,025.56 = 5,129.08/x
  3. Step 3: Cross multiply
    8,714.68x = 12,025.56 × 5,129.08
  4. Step 4: Simplify right side
    8,714.68x = 61,680,059.28
  5. Step 5: Solve for x
    x = 61,680,059.28/8,714.68
  6. Step 6: Final answer
    x = 7,077.72

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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.