Home / 6,584.79-9,877.19-2,689.20

Finding the Fourth Proportional to 6,584.79, 9,877.19 and 2,689.20

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Solution

The fourth proportional to 6,584.79, 9,877.19 and 2,689.20 is: 4,033.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,584.79 : 9,877.19 = 2,689.20 : x
  2. Step 2: Convert to fraction form
    6,584.79/9,877.19 = 2,689.20/x
  3. Step 3: Cross multiply
    6,584.79x = 9,877.19 × 2,689.20
  4. Step 4: Simplify right side
    6,584.79x = 26,561,689.96
  5. Step 5: Solve for x
    x = 26,561,689.96/6,584.79
  6. Step 6: Final answer
    x = 4,033.80

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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.