Home / 6,375.20-8,790.68-4,358.94

Finding the Fourth Proportional to 6,375.20, 8,790.68 and 4,358.94

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Solution

The fourth proportional to 6,375.20, 8,790.68 and 4,358.94 is: 6,010.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,375.20 : 8,790.68 = 4,358.94 : x
  2. Step 2: Convert to fraction form
    6,375.20/8,790.68 = 4,358.94/x
  3. Step 3: Cross multiply
    6,375.20x = 8,790.68 × 4,358.94
  4. Step 4: Simplify right side
    6,375.20x = 38,318,046.68
  5. Step 5: Solve for x
    x = 38,318,046.68/6,375.20
  6. Step 6: Final answer
    x = 6,010.49

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1.5x scale

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.