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Finding the Fourth Proportional to 7,116.80, 10,675.84 and 2,499.84

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Solution

The fourth proportional to 7,116.80, 10,675.84 and 2,499.84 is: 3,749.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,116.80 : 10,675.84 = 2,499.84 : x
  2. Step 2: Convert to fraction form
    7,116.80/10,675.84 = 2,499.84/x
  3. Step 3: Cross multiply
    7,116.80x = 10,675.84 × 2,499.84
  4. Step 4: Simplify right side
    7,116.80x = 26,687,891.87
  5. Step 5: Solve for x
    x = 26,687,891.87/7,116.80
  6. Step 6: Final answer
    x = 3,749.98

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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.