Home / 7,785.43-10,743.69-4,248.65

Finding the Fourth Proportional to 7,785.43, 10,743.69 and 4,248.65

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Solution

The fourth proportional to 7,785.43, 10,743.69 and 4,248.65 is: 5,863.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,785.43 : 10,743.69 = 4,248.65 : x
  2. Step 2: Convert to fraction form
    7,785.43/10,743.69 = 4,248.65/x
  3. Step 3: Cross multiply
    7,785.43x = 10,743.69 × 4,248.65
  4. Step 4: Simplify right side
    7,785.43x = 45,646,124.80
  5. Step 5: Solve for x
    x = 45,646,124.80/7,785.43
  6. Step 6: Final answer
    x = 5,863.02

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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.