Home / 7,565.34-11,338.40-3,400.90

Finding the Fourth Proportional to 7,565.34, 11,338.40 and 3,400.90

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Solution

The fourth proportional to 7,565.34, 11,338.40 and 3,400.90 is: 5,097.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,565.34 : 11,338.40 = 3,400.90 : x
  2. Step 2: Convert to fraction form
    7,565.34/11,338.40 = 3,400.90/x
  3. Step 3: Cross multiply
    7,565.34x = 11,338.40 × 3,400.90
  4. Step 4: Simplify right side
    7,565.34x = 38,560,764.56
  5. Step 5: Solve for x
    x = 38,560,764.56/7,565.34
  6. Step 6: Final answer
    x = 5,097.03

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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.