Home / 7,561.42-11,338.22-3,397.87

Finding the Fourth Proportional to 7,561.42, 11,338.22 and 3,397.87

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Solution

The fourth proportional to 7,561.42, 11,338.22 and 3,397.87 is: 5,095.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,561.42 : 11,338.22 = 3,397.87 : x
  2. Step 2: Convert to fraction form
    7,561.42/11,338.22 = 3,397.87/x
  3. Step 3: Cross multiply
    7,561.42x = 11,338.22 × 3,397.87
  4. Step 4: Simplify right side
    7,561.42x = 38,525,797.59
  5. Step 5: Solve for x
    x = 38,525,797.59/7,561.42
  6. Step 6: Final answer
    x = 5,095.05

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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.