Home / 8,218.04-12,329.13-2,374.61

Finding the Fourth Proportional to 8,218.04, 12,329.13 and 2,374.61

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Solution

The fourth proportional to 8,218.04, 12,329.13 and 2,374.61 is: 3,562.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,218.04 : 12,329.13 = 2,374.61 : x
  2. Step 2: Convert to fraction form
    8,218.04/12,329.13 = 2,374.61/x
  3. Step 3: Cross multiply
    8,218.04x = 12,329.13 × 2,374.61
  4. Step 4: Simplify right side
    8,218.04x = 29,276,875.39
  5. Step 5: Solve for x
    x = 29,276,875.39/8,218.04
  6. Step 6: Final answer
    x = 3,562.51

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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.