Home / 8,238.32-12,359.70-2,691.52

Finding the Fourth Proportional to 8,238.32, 12,359.70 and 2,691.52

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Solution

The fourth proportional to 8,238.32, 12,359.70 and 2,691.52 is: 4,038.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,238.32 : 12,359.70 = 2,691.52 : x
  2. Step 2: Convert to fraction form
    8,238.32/12,359.70 = 2,691.52/x
  3. Step 3: Cross multiply
    8,238.32x = 12,359.70 × 2,691.52
  4. Step 4: Simplify right side
    8,238.32x = 33,266,379.74
  5. Step 5: Solve for x
    x = 33,266,379.74/8,238.32
  6. Step 6: Final answer
    x = 4,038.01

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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.