Home / 8,922.49-13,379.85-4,761.57

Finding the Fourth Proportional to 8,922.49, 13,379.85 and 4,761.57

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Solution

The fourth proportional to 8,922.49, 13,379.85 and 4,761.57 is: 7,140.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,922.49 : 13,379.85 = 4,761.57 : x
  2. Step 2: Convert to fraction form
    8,922.49/13,379.85 = 4,761.57/x
  3. Step 3: Cross multiply
    8,922.49x = 13,379.85 × 4,761.57
  4. Step 4: Simplify right side
    8,922.49x = 63,709,092.36
  5. Step 5: Solve for x
    x = 63,709,092.36/8,922.49
  6. Step 6: Final answer
    x = 7,140.28

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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.