Home / 8,474.17-12,711.48-2,927.85

Finding the Fourth Proportional to 8,474.17, 12,711.48 and 2,927.85

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Solution

The fourth proportional to 8,474.17, 12,711.48 and 2,927.85 is: 4,391.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,474.17 : 12,711.48 = 2,927.85 : x
  2. Step 2: Convert to fraction form
    8,474.17/12,711.48 = 2,927.85/x
  3. Step 3: Cross multiply
    8,474.17x = 12,711.48 × 2,927.85
  4. Step 4: Simplify right side
    8,474.17x = 37,217,264.54
  5. Step 5: Solve for x
    x = 37,217,264.54/8,474.17
  6. Step 6: Final answer
    x = 4,391.85

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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.