Home / 8,371.88-12,562.14-3,445.16

Finding the Fourth Proportional to 8,371.88, 12,562.14 and 3,445.16

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Solution

The fourth proportional to 8,371.88, 12,562.14 and 3,445.16 is: 5,169.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,371.88 : 12,562.14 = 3,445.16 : x
  2. Step 2: Convert to fraction form
    8,371.88/12,562.14 = 3,445.16/x
  3. Step 3: Cross multiply
    8,371.88x = 12,562.14 × 3,445.16
  4. Step 4: Simplify right side
    8,371.88x = 43,278,582.24
  5. Step 5: Solve for x
    x = 43,278,582.24/8,371.88
  6. Step 6: Final answer
    x = 5,169.52

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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.