Home / 5,375.89-8,060.39-2,085.47

Finding the Fourth Proportional to 5,375.89, 8,060.39 and 2,085.47

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Solution

The fourth proportional to 5,375.89, 8,060.39 and 2,085.47 is: 3,126.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.89 : 8,060.39 = 2,085.47 : x
  2. Step 2: Convert to fraction form
    5,375.89/8,060.39 = 2,085.47/x
  3. Step 3: Cross multiply
    5,375.89x = 8,060.39 × 2,085.47
  4. Step 4: Simplify right side
    5,375.89x = 16,809,691.11
  5. Step 5: Solve for x
    x = 16,809,691.11/5,375.89
  6. Step 6: Final answer
    x = 3,126.87

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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.