Home / 8,241.30-12,362.25-4,237.61

Finding the Fourth Proportional to 8,241.30, 12,362.25 and 4,237.61

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Solution

The fourth proportional to 8,241.30, 12,362.25 and 4,237.61 is: 6,356.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,241.30 : 12,362.25 = 4,237.61 : x
  2. Step 2: Convert to fraction form
    8,241.30/12,362.25 = 4,237.61/x
  3. Step 3: Cross multiply
    8,241.30x = 12,362.25 × 4,237.61
  4. Step 4: Simplify right side
    8,241.30x = 52,386,332.41
  5. Step 5: Solve for x
    x = 52,386,332.41/8,241.30
  6. Step 6: Final answer
    x = 6,356.56

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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.