Home / 8,634.30-12,951.32-4,248.56

Finding the Fourth Proportional to 8,634.30, 12,951.32 and 4,248.56

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Solution

The fourth proportional to 8,634.30, 12,951.32 and 4,248.56 is: 6,372.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,634.30 : 12,951.32 = 4,248.56 : x
  2. Step 2: Convert to fraction form
    8,634.30/12,951.32 = 4,248.56/x
  3. Step 3: Cross multiply
    8,634.30x = 12,951.32 × 4,248.56
  4. Step 4: Simplify right side
    8,634.30x = 55,024,374.10
  5. Step 5: Solve for x
    x = 55,024,374.10/8,634.30
  6. Step 6: Final answer
    x = 6,372.77

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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.