Home / 4,474.48-6,711.20-1,187.83

Finding the Fourth Proportional to 4,474.48, 6,711.20 and 1,187.83

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Solution

The fourth proportional to 4,474.48, 6,711.20 and 1,187.83 is: 1,781.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,474.48 : 6,711.20 = 1,187.83 : x
  2. Step 2: Convert to fraction form
    4,474.48/6,711.20 = 1,187.83/x
  3. Step 3: Cross multiply
    4,474.48x = 6,711.20 × 1,187.83
  4. Step 4: Simplify right side
    4,474.48x = 7,971,749.97
  5. Step 5: Solve for x
    x = 7,971,749.97/4,474.48
  6. Step 6: Final answer
    x = 1,781.60

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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.