Home / 7,689.52-11,530.32-2,494.72

Finding the Fourth Proportional to 7,689.52, 11,530.32 and 2,494.72

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Solution

The fourth proportional to 7,689.52, 11,530.32 and 2,494.72 is: 3,740.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,689.52 : 11,530.32 = 2,494.72 : x
  2. Step 2: Convert to fraction form
    7,689.52/11,530.32 = 2,494.72/x
  3. Step 3: Cross multiply
    7,689.52x = 11,530.32 × 2,494.72
  4. Step 4: Simplify right side
    7,689.52x = 28,764,919.91
  5. Step 5: Solve for x
    x = 28,764,919.91/7,689.52
  6. Step 6: Final answer
    x = 3,740.80

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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.