Home / 6,140.43-9,191.19-4,403.79

Finding the Fourth Proportional to 6,140.43, 9,191.19 and 4,403.79

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Solution

The fourth proportional to 6,140.43, 9,191.19 and 4,403.79 is: 6,591.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140.43 : 9,191.19 = 4,403.79 : x
  2. Step 2: Convert to fraction form
    6,140.43/9,191.19 = 4,403.79/x
  3. Step 3: Cross multiply
    6,140.43x = 9,191.19 × 4,403.79
  4. Step 4: Simplify right side
    6,140.43x = 40,476,070.61
  5. Step 5: Solve for x
    x = 40,476,070.61/6,140.43
  6. Step 6: Final answer
    x = 6,591.73

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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.