Home / 6,507.88-9,763.32-2,125.66

Finding the Fourth Proportional to 6,507.88, 9,763.32 and 2,125.66

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Solution

The fourth proportional to 6,507.88, 9,763.32 and 2,125.66 is: 3,188.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,507.88 : 9,763.32 = 2,125.66 : x
  2. Step 2: Convert to fraction form
    6,507.88/9,763.32 = 2,125.66/x
  3. Step 3: Cross multiply
    6,507.88x = 9,763.32 × 2,125.66
  4. Step 4: Simplify right side
    6,507.88x = 20,753,498.79
  5. Step 5: Solve for x
    x = 20,753,498.79/6,507.88
  6. Step 6: Final answer
    x = 3,188.98

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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.