Home / 4,261.96-6,391.11-1,487.80

Finding the Fourth Proportional to 4,261.96, 6,391.11 and 1,487.80

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Solution

The fourth proportional to 4,261.96, 6,391.11 and 1,487.80 is: 2,231.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,261.96 : 6,391.11 = 1,487.80 : x
  2. Step 2: Convert to fraction form
    4,261.96/6,391.11 = 1,487.80/x
  3. Step 3: Cross multiply
    4,261.96x = 6,391.11 × 1,487.80
  4. Step 4: Simplify right side
    4,261.96x = 9,508,693.46
  5. Step 5: Solve for x
    x = 9,508,693.46/4,261.96
  6. Step 6: Final answer
    x = 2,231.06

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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.