Home / 6,220.98-8,517.65-6,199.11

Finding the Fourth Proportional to 6,220.98, 8,517.65 and 6,199.11

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Solution

The fourth proportional to 6,220.98, 8,517.65 and 6,199.11 is: 8,487.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.98 : 8,517.65 = 6,199.11 : x
  2. Step 2: Convert to fraction form
    6,220.98/8,517.65 = 6,199.11/x
  3. Step 3: Cross multiply
    6,220.98x = 8,517.65 × 6,199.11
  4. Step 4: Simplify right side
    6,220.98x = 52,801,818.30
  5. Step 5: Solve for x
    x = 52,801,818.30/6,220.98
  6. Step 6: Final answer
    x = 8,487.70

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.