Home / 8,218.29-12,329.51-2,374.86

Finding the Fourth Proportional to 8,218.29, 12,329.51 and 2,374.86

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Solution

The fourth proportional to 8,218.29, 12,329.51 and 2,374.86 is: 3,562.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,218.29 : 12,329.51 = 2,374.86 : x
  2. Step 2: Convert to fraction form
    8,218.29/12,329.51 = 2,374.86/x
  3. Step 3: Cross multiply
    8,218.29x = 12,329.51 × 2,374.86
  4. Step 4: Simplify right side
    8,218.29x = 29,280,848.24
  5. Step 5: Solve for x
    x = 29,280,848.24/8,218.29
  6. Step 6: Final answer
    x = 3,562.89

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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.