Home / 5,117.38-7,676.10-2,195.71

Finding the Fourth Proportional to 5,117.38, 7,676.10 and 2,195.71

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Solution

The fourth proportional to 5,117.38, 7,676.10 and 2,195.71 is: 3,293.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.38 : 7,676.10 = 2,195.71 : x
  2. Step 2: Convert to fraction form
    5,117.38/7,676.10 = 2,195.71/x
  3. Step 3: Cross multiply
    5,117.38x = 7,676.10 × 2,195.71
  4. Step 4: Simplify right side
    5,117.38x = 16,854,470.34
  5. Step 5: Solve for x
    x = 16,854,470.34/5,117.38
  6. Step 6: Final answer
    x = 3,293.58

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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.