Home / 6,387.73-9,585.42-2,689.72

Finding the Fourth Proportional to 6,387.73, 9,585.42 and 2,689.72

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Solution

The fourth proportional to 6,387.73, 9,585.42 and 2,689.72 is: 4,036.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387.73 : 9,585.42 = 2,689.72 : x
  2. Step 2: Convert to fraction form
    6,387.73/9,585.42 = 2,689.72/x
  3. Step 3: Cross multiply
    6,387.73x = 9,585.42 × 2,689.72
  4. Step 4: Simplify right side
    6,387.73x = 25,782,095.88
  5. Step 5: Solve for x
    x = 25,782,095.88/6,387.73
  6. Step 6: Final answer
    x = 4,036.19

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1.5x scale

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.