Home / 6,239.55-9,358.56-3,899.76

Finding the Fourth Proportional to 6,239.55, 9,358.56 and 3,899.76

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Solution

The fourth proportional to 6,239.55, 9,358.56 and 3,899.76 is: 5,849.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.55 : 9,358.56 = 3,899.76 : x
  2. Step 2: Convert to fraction form
    6,239.55/9,358.56 = 3,899.76/x
  3. Step 3: Cross multiply
    6,239.55x = 9,358.56 × 3,899.76
  4. Step 4: Simplify right side
    6,239.55x = 36,496,137.95
  5. Step 5: Solve for x
    x = 36,496,137.95/6,239.55
  6. Step 6: Final answer
    x = 5,849.16

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.