Home / 9,108.70-13,663.05-3,265.90

Finding the Fourth Proportional to 9,108.70, 13,663.05 and 3,265.90

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Solution

The fourth proportional to 9,108.70, 13,663.05 and 3,265.90 is: 4,898.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,108.70 : 13,663.05 = 3,265.90 : x
  2. Step 2: Convert to fraction form
    9,108.70/13,663.05 = 3,265.90/x
  3. Step 3: Cross multiply
    9,108.70x = 13,663.05 × 3,265.90
  4. Step 4: Simplify right side
    9,108.70x = 44,622,155.00
  5. Step 5: Solve for x
    x = 44,622,155.00/9,108.70
  6. Step 6: Final answer
    x = 4,898.85

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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.