Home / 7,700.86-11,552.37-2,505.52

Finding the Fourth Proportional to 7,700.86, 11,552.37 and 2,505.52

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Solution

The fourth proportional to 7,700.86, 11,552.37 and 2,505.52 is: 3,758.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,700.86 : 11,552.37 = 2,505.52 : x
  2. Step 2: Convert to fraction form
    7,700.86/11,552.37 = 2,505.52/x
  3. Step 3: Cross multiply
    7,700.86x = 11,552.37 × 2,505.52
  4. Step 4: Simplify right side
    7,700.86x = 28,944,694.08
  5. Step 5: Solve for x
    x = 28,944,694.08/7,700.86
  6. Step 6: Final answer
    x = 3,758.63

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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.