Home / 7,117.76-10,677.98-2,734.88

Finding the Fourth Proportional to 7,117.76, 10,677.98 and 2,734.88

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Solution

The fourth proportional to 7,117.76, 10,677.98 and 2,734.88 is: 4,102.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117.76 : 10,677.98 = 2,734.88 : x
  2. Step 2: Convert to fraction form
    7,117.76/10,677.98 = 2,734.88/x
  3. Step 3: Cross multiply
    7,117.76x = 10,677.98 × 2,734.88
  4. Step 4: Simplify right side
    7,117.76x = 29,202,993.94
  5. Step 5: Solve for x
    x = 29,202,993.94/7,117.76
  6. Step 6: Final answer
    x = 4,102.83

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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.