Home / 5,430.27-8,159.07-3,456.80

Finding the Fourth Proportional to 5,430.27, 8,159.07 and 3,456.80

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Solution

The fourth proportional to 5,430.27, 8,159.07 and 3,456.80 is: 5,193.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430.27 : 8,159.07 = 3,456.80 : x
  2. Step 2: Convert to fraction form
    5,430.27/8,159.07 = 3,456.80/x
  3. Step 3: Cross multiply
    5,430.27x = 8,159.07 × 3,456.80
  4. Step 4: Simplify right side
    5,430.27x = 28,204,273.18
  5. Step 5: Solve for x
    x = 28,204,273.18/5,430.27
  6. Step 6: Final answer
    x = 5,193.90

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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.