Home / 5,117.40-7,676.10-3,477.15

Finding the Fourth Proportional to 5,117.40, 7,676.10 and 3,477.15

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Solution

The fourth proportional to 5,117.40, 7,676.10 and 3,477.15 is: 5,215.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.40 : 7,676.10 = 3,477.15 : x
  2. Step 2: Convert to fraction form
    5,117.40/7,676.10 = 3,477.15/x
  3. Step 3: Cross multiply
    5,117.40x = 7,676.10 × 3,477.15
  4. Step 4: Simplify right side
    5,117.40x = 26,690,951.12
  5. Step 5: Solve for x
    x = 26,690,951.12/5,117.40
  6. Step 6: Final answer
    x = 5,215.73

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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.