Home / 6,543.38-9,810.97-4,319.78

Finding the Fourth Proportional to 6,543.38, 9,810.97 and 4,319.78

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Solution

The fourth proportional to 6,543.38, 9,810.97 and 4,319.78 is: 6,476.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,543.38 : 9,810.97 = 4,319.78 : x
  2. Step 2: Convert to fraction form
    6,543.38/9,810.97 = 4,319.78/x
  3. Step 3: Cross multiply
    6,543.38x = 9,810.97 × 4,319.78
  4. Step 4: Simplify right side
    6,543.38x = 42,381,251.62
  5. Step 5: Solve for x
    x = 42,381,251.62/6,543.38
  6. Step 6: Final answer
    x = 6,476.96

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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.