Home / 6,585.05-9,879.17-2,689.45

Finding the Fourth Proportional to 6,585.05, 9,879.17 and 2,689.45

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Solution

The fourth proportional to 6,585.05, 9,879.17 and 2,689.45 is: 4,034.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,585.05 : 9,879.17 = 2,689.45 : x
  2. Step 2: Convert to fraction form
    6,585.05/9,879.17 = 2,689.45/x
  3. Step 3: Cross multiply
    6,585.05x = 9,879.17 × 2,689.45
  4. Step 4: Simplify right side
    6,585.05x = 26,569,551.18
  5. Step 5: Solve for x
    x = 26,569,551.18/6,585.05
  6. Step 6: Final answer
    x = 4,034.83

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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.