Home / 4,474.46-6,711.81-1,187.55

Finding the Fourth Proportional to 4,474.46, 6,711.81 and 1,187.55

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Solution

The fourth proportional to 4,474.46, 6,711.81 and 1,187.55 is: 1,781.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,474.46 : 6,711.81 = 1,187.55 : x
  2. Step 2: Convert to fraction form
    4,474.46/6,711.81 = 1,187.55/x
  3. Step 3: Cross multiply
    4,474.46x = 6,711.81 × 1,187.55
  4. Step 4: Simplify right side
    4,474.46x = 7,970,609.97
  5. Step 5: Solve for x
    x = 7,970,609.97/4,474.46
  6. Step 6: Final answer
    x = 1,781.36

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1.5x scale

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.