Home / 6,115.98-8,436.96-4,229.40

Finding the Fourth Proportional to 6,115.98, 8,436.96 and 4,229.40

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Solution

The fourth proportional to 6,115.98, 8,436.96 and 4,229.40 is: 5,834.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115.98 : 8,436.96 = 4,229.40 : x
  2. Step 2: Convert to fraction form
    6,115.98/8,436.96 = 4,229.40/x
  3. Step 3: Cross multiply
    6,115.98x = 8,436.96 × 4,229.40
  4. Step 4: Simplify right side
    6,115.98x = 35,683,278.62
  5. Step 5: Solve for x
    x = 35,683,278.62/6,115.98
  6. Step 6: Final answer
    x = 5,834.43

Related Problems

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Half scale
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Double scale
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Similar ratio
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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.