Home / 8,337.30-12,499.74-2,787.36

Finding the Fourth Proportional to 8,337.30, 12,499.74 and 2,787.36

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Solution

The fourth proportional to 8,337.30, 12,499.74 and 2,787.36 is: 4,178.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,337.30 : 12,499.74 = 2,787.36 : x
  2. Step 2: Convert to fraction form
    8,337.30/12,499.74 = 2,787.36/x
  3. Step 3: Cross multiply
    8,337.30x = 12,499.74 × 2,787.36
  4. Step 4: Simplify right side
    8,337.30x = 34,841,275.29
  5. Step 5: Solve for x
    x = 34,841,275.29/8,337.30
  6. Step 6: Final answer
    x = 4,178.96

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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.