Home / 6,247.80-9,371.70-5,543.10

Finding the Fourth Proportional to 6,247.80, 9,371.70 and 5,543.10

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Solution

The fourth proportional to 6,247.80, 9,371.70 and 5,543.10 is: 8,314.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,247.80 : 9,371.70 = 5,543.10 : x
  2. Step 2: Convert to fraction form
    6,247.80/9,371.70 = 5,543.10/x
  3. Step 3: Cross multiply
    6,247.80x = 9,371.70 × 5,543.10
  4. Step 4: Simplify right side
    6,247.80x = 51,948,270.27
  5. Step 5: Solve for x
    x = 51,948,270.27/6,247.80
  6. Step 6: Final answer
    x = 8,314.65

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Similar ratio
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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.