Home / 8,320.17-11,481.90-4,543.37

Finding the Fourth Proportional to 8,320.17, 11,481.90 and 4,543.37

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Solution

The fourth proportional to 8,320.17, 11,481.90 and 4,543.37 is: 6,269.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320.17 : 11,481.90 = 4,543.37 : x
  2. Step 2: Convert to fraction form
    8,320.17/11,481.90 = 4,543.37/x
  3. Step 3: Cross multiply
    8,320.17x = 11,481.90 × 4,543.37
  4. Step 4: Simplify right side
    8,320.17x = 52,166,453.13
  5. Step 5: Solve for x
    x = 52,166,453.13/8,320.17
  6. Step 6: Final answer
    x = 6,269.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.