Home / 5,104.46-7,645.50-2,641.70

Finding the Fourth Proportional to 5,104.46, 7,645.50 and 2,641.70

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Solution

The fourth proportional to 5,104.46, 7,645.50 and 2,641.70 is: 3,956.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.46 : 7,645.50 = 2,641.70 : x
  2. Step 2: Convert to fraction form
    5,104.46/7,645.50 = 2,641.70/x
  3. Step 3: Cross multiply
    5,104.46x = 7,645.50 × 2,641.70
  4. Step 4: Simplify right side
    5,104.46x = 20,197,117.35
  5. Step 5: Solve for x
    x = 20,197,117.35/5,104.46
  6. Step 6: Final answer
    x = 3,956.76

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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.