Home / 6,585.70-9,879.45-2,689.19

Finding the Fourth Proportional to 6,585.70, 9,879.45 and 2,689.19

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Solution

The fourth proportional to 6,585.70, 9,879.45 and 2,689.19 is: 4,034.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,585.70 : 9,879.45 = 2,689.19 : x
  2. Step 2: Convert to fraction form
    6,585.70/9,879.45 = 2,689.19/x
  3. Step 3: Cross multiply
    6,585.70x = 9,879.45 × 2,689.19
  4. Step 4: Simplify right side
    6,585.70x = 26,567,718.15
  5. Step 5: Solve for x
    x = 26,567,718.15/6,585.70
  6. Step 6: Final answer
    x = 4,034.16

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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.