Home / 6,507.22-9,761.84-2,123.66

Finding the Fourth Proportional to 6,507.22, 9,761.84 and 2,123.66

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Solution

The fourth proportional to 6,507.22, 9,761.84 and 2,123.66 is: 3,185.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,507.22 : 9,761.84 = 2,123.66 : x
  2. Step 2: Convert to fraction form
    6,507.22/9,761.84 = 2,123.66/x
  3. Step 3: Cross multiply
    6,507.22x = 9,761.84 × 2,123.66
  4. Step 4: Simplify right side
    6,507.22x = 20,730,829.13
  5. Step 5: Solve for x
    x = 20,730,829.13/6,507.22
  6. Step 6: Final answer
    x = 3,185.82

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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.