Home / 4,250.42-6,386.39-2,691.15

Finding the Fourth Proportional to 4,250.42, 6,386.39 and 2,691.15

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Solution

The fourth proportional to 4,250.42, 6,386.39 and 2,691.15 is: 4,043.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,250.42 : 6,386.39 = 2,691.15 : x
  2. Step 2: Convert to fraction form
    4,250.42/6,386.39 = 2,691.15/x
  3. Step 3: Cross multiply
    4,250.42x = 6,386.39 × 2,691.15
  4. Step 4: Simplify right side
    4,250.42x = 17,186,719.99
  5. Step 5: Solve for x
    x = 17,186,719.99/4,250.42
  6. Step 6: Final answer
    x = 4,043.54

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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.