Home / 6,936.10-10,404.15-4,165.90

Finding the Fourth Proportional to 6,936.10, 10,404.15 and 4,165.90

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Solution

The fourth proportional to 6,936.10, 10,404.15 and 4,165.90 is: 6,248.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,936.10 : 10,404.15 = 4,165.90 : x
  2. Step 2: Convert to fraction form
    6,936.10/10,404.15 = 4,165.90/x
  3. Step 3: Cross multiply
    6,936.10x = 10,404.15 × 4,165.90
  4. Step 4: Simplify right side
    6,936.10x = 43,342,648.49
  5. Step 5: Solve for x
    x = 43,342,648.49/6,936.10
  6. Step 6: Final answer
    x = 6,248.85

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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.