Home / 5,379.20-8,060.14-4,515.20

Finding the Fourth Proportional to 5,379.20, 8,060.14 and 4,515.20

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Solution

The fourth proportional to 5,379.20, 8,060.14 and 4,515.20 is: 6,765.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379.20 : 8,060.14 = 4,515.20 : x
  2. Step 2: Convert to fraction form
    5,379.20/8,060.14 = 4,515.20/x
  3. Step 3: Cross multiply
    5,379.20x = 8,060.14 × 4,515.20
  4. Step 4: Simplify right side
    5,379.20x = 36,393,144.13
  5. Step 5: Solve for x
    x = 36,393,144.13/5,379.20
  6. Step 6: Final answer
    x = 6,765.53

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1.5x scale

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.