Home / 5,375.97-8,062.88-1,677.31

Finding the Fourth Proportional to 5,375.97, 8,062.88 and 1,677.31

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Solution

The fourth proportional to 5,375.97, 8,062.88 and 1,677.31 is: 2,515.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.97 : 8,062.88 = 1,677.31 : x
  2. Step 2: Convert to fraction form
    5,375.97/8,062.88 = 1,677.31/x
  3. Step 3: Cross multiply
    5,375.97x = 8,062.88 × 1,677.31
  4. Step 4: Simplify right side
    5,375.97x = 13,523,920.71
  5. Step 5: Solve for x
    x = 13,523,920.71/5,375.97
  6. Step 6: Final answer
    x = 2,515.62

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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.