Home / 8,474.08-12,711.68-2,927.96

Finding the Fourth Proportional to 8,474.08, 12,711.68 and 2,927.96

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Solution

The fourth proportional to 8,474.08, 12,711.68 and 2,927.96 is: 4,392.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,474.08 : 12,711.68 = 2,927.96 : x
  2. Step 2: Convert to fraction form
    8,474.08/12,711.68 = 2,927.96/x
  3. Step 3: Cross multiply
    8,474.08x = 12,711.68 × 2,927.96
  4. Step 4: Simplify right side
    8,474.08x = 37,219,290.57
  5. Step 5: Solve for x
    x = 37,219,290.57/8,474.08
  6. Step 6: Final answer
    x = 4,392.13

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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.