Home / 7,742.23-11,611.27-3,358.66

Finding the Fourth Proportional to 7,742.23, 11,611.27 and 3,358.66

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Solution

The fourth proportional to 7,742.23, 11,611.27 and 3,358.66 is: 5,037.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742.23 : 11,611.27 = 3,358.66 : x
  2. Step 2: Convert to fraction form
    7,742.23/11,611.27 = 3,358.66/x
  3. Step 3: Cross multiply
    7,742.23x = 11,611.27 × 3,358.66
  4. Step 4: Simplify right side
    7,742.23x = 38,998,308.10
  5. Step 5: Solve for x
    x = 38,998,308.10/7,742.23
  6. Step 6: Final answer
    x = 5,037.09

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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.