Home / 6,459.24-9,689.90-2,761.50

Finding the Fourth Proportional to 6,459.24, 9,689.90 and 2,761.50

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Solution

The fourth proportional to 6,459.24, 9,689.90 and 2,761.50 is: 4,142.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,459.24 : 9,689.90 = 2,761.50 : x
  2. Step 2: Convert to fraction form
    6,459.24/9,689.90 = 2,761.50/x
  3. Step 3: Cross multiply
    6,459.24x = 9,689.90 × 2,761.50
  4. Step 4: Simplify right side
    6,459.24x = 26,758,645.04
  5. Step 5: Solve for x
    x = 26,758,645.04/6,459.24
  6. Step 6: Final answer
    x = 4,142.69

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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.