Home / 4,129.83-6,197.78-2,742.71

Finding the Fourth Proportional to 4,129.83, 6,197.78 and 2,742.71

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Solution

The fourth proportional to 4,129.83, 6,197.78 and 2,742.71 is: 4,116.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.83 : 6,197.78 = 2,742.71 : x
  2. Step 2: Convert to fraction form
    4,129.83/6,197.78 = 2,742.71/x
  3. Step 3: Cross multiply
    4,129.83x = 6,197.78 × 2,742.71
  4. Step 4: Simplify right side
    4,129.83x = 16,998,713.18
  5. Step 5: Solve for x
    x = 16,998,713.18/4,129.83
  6. Step 6: Final answer
    x = 4,116.08

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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.