Home / 8,385.24-12,580.20-2,541.90

Finding the Fourth Proportional to 8,385.24, 12,580.20 and 2,541.90

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Solution

The fourth proportional to 8,385.24, 12,580.20 and 2,541.90 is: 3,813.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,385.24 : 12,580.20 = 2,541.90 : x
  2. Step 2: Convert to fraction form
    8,385.24/12,580.20 = 2,541.90/x
  3. Step 3: Cross multiply
    8,385.24x = 12,580.20 × 2,541.90
  4. Step 4: Simplify right side
    8,385.24x = 31,977,610.38
  5. Step 5: Solve for x
    x = 31,977,610.38/8,385.24
  6. Step 6: Final answer
    x = 3,813.56

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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.