Home / 7,742.28-11,611.64-3,793.52

Finding the Fourth Proportional to 7,742.28, 11,611.64 and 3,793.52

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Solution

The fourth proportional to 7,742.28, 11,611.64 and 3,793.52 is: 5,689.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742.28 : 11,611.64 = 3,793.52 : x
  2. Step 2: Convert to fraction form
    7,742.28/11,611.64 = 3,793.52/x
  3. Step 3: Cross multiply
    7,742.28x = 11,611.64 × 3,793.52
  4. Step 4: Simplify right side
    7,742.28x = 44,048,988.57
  5. Step 5: Solve for x
    x = 44,048,988.57/7,742.28
  6. Step 6: Final answer
    x = 5,689.41

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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.