Home / 7,561.39-11,317.80-4,042.57

Finding the Fourth Proportional to 7,561.39, 11,317.80 and 4,042.57

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Solution

The fourth proportional to 7,561.39, 11,317.80 and 4,042.57 is: 6,050.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,561.39 : 11,317.80 = 4,042.57 : x
  2. Step 2: Convert to fraction form
    7,561.39/11,317.80 = 4,042.57/x
  3. Step 3: Cross multiply
    7,561.39x = 11,317.80 × 4,042.57
  4. Step 4: Simplify right side
    7,561.39x = 45,752,998.75
  5. Step 5: Solve for x
    x = 45,752,998.75/7,561.39
  6. Step 6: Final answer
    x = 6,050.87

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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.