Home / 7,785.32-10,743.68-4,248.50

Finding the Fourth Proportional to 7,785.32, 10,743.68 and 4,248.50

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Solution

The fourth proportional to 7,785.32, 10,743.68 and 4,248.50 is: 5,862.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,785.32 : 10,743.68 = 4,248.50 : x
  2. Step 2: Convert to fraction form
    7,785.32/10,743.68 = 4,248.50/x
  3. Step 3: Cross multiply
    7,785.32x = 10,743.68 × 4,248.50
  4. Step 4: Simplify right side
    7,785.32x = 45,644,524.48
  5. Step 5: Solve for x
    x = 45,644,524.48/7,785.32
  6. Step 6: Final answer
    x = 5,862.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.