Home / 4,156.39-6,234.60-1,078.39

Finding the Fourth Proportional to 4,156.39, 6,234.60 and 1,078.39

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Solution

The fourth proportional to 4,156.39, 6,234.60 and 1,078.39 is: 1,617.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,156.39 : 6,234.60 = 1,078.39 : x
  2. Step 2: Convert to fraction form
    4,156.39/6,234.60 = 1,078.39/x
  3. Step 3: Cross multiply
    4,156.39x = 6,234.60 × 1,078.39
  4. Step 4: Simplify right side
    4,156.39x = 6,723,330.29
  5. Step 5: Solve for x
    x = 6,723,330.29/4,156.39
  6. Step 6: Final answer
    x = 1,617.59

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Half 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.