Home / 8,229.48-12,345.30-2,385.96

Finding the Fourth Proportional to 8,229.48, 12,345.30 and 2,385.96

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Solution

The fourth proportional to 8,229.48, 12,345.30 and 2,385.96 is: 3,579.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,229.48 : 12,345.30 = 2,385.96 : x
  2. Step 2: Convert to fraction form
    8,229.48/12,345.30 = 2,385.96/x
  3. Step 3: Cross multiply
    8,229.48x = 12,345.30 × 2,385.96
  4. Step 4: Simplify right side
    8,229.48x = 29,455,391.99
  5. Step 5: Solve for x
    x = 29,455,391.99/8,229.48
  6. Step 6: Final answer
    x = 3,579.25

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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.