Home / 7,406.22-11,113.68-2,729.52

Finding the Fourth Proportional to 7,406.22, 11,113.68 and 2,729.52

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Solution

The fourth proportional to 7,406.22, 11,113.68 and 2,729.52 is: 4,095.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,406.22 : 11,113.68 = 2,729.52 : x
  2. Step 2: Convert to fraction form
    7,406.22/11,113.68 = 2,729.52/x
  3. Step 3: Cross multiply
    7,406.22x = 11,113.68 × 2,729.52
  4. Step 4: Simplify right side
    7,406.22x = 30,335,011.83
  5. Step 5: Solve for x
    x = 30,335,011.83/7,406.22
  6. Step 6: Final answer
    x = 4,095.88

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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.