Home / 8,691.48-13,031.46-3,144.10

Finding the Fourth Proportional to 8,691.48, 13,031.46 and 3,144.10

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Solution

The fourth proportional to 8,691.48, 13,031.46 and 3,144.10 is: 4,714.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,691.48 : 13,031.46 = 3,144.10 : x
  2. Step 2: Convert to fraction form
    8,691.48/13,031.46 = 3,144.10/x
  3. Step 3: Cross multiply
    8,691.48x = 13,031.46 × 3,144.10
  4. Step 4: Simplify right side
    8,691.48x = 40,972,192.60
  5. Step 5: Solve for x
    x = 40,972,192.60/8,691.48
  6. Step 6: Final answer
    x = 4,714.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.