Home / 4,474.13-6,711.19-1,187.48

Finding the Fourth Proportional to 4,474.13, 6,711.19 and 1,187.48

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Solution

The fourth proportional to 4,474.13, 6,711.19 and 1,187.48 is: 1,781.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,474.13 : 6,711.19 = 1,187.48 : x
  2. Step 2: Convert to fraction form
    4,474.13/6,711.19 = 1,187.48/x
  3. Step 3: Cross multiply
    4,474.13x = 6,711.19 × 1,187.48
  4. Step 4: Simplify right side
    4,474.13x = 7,969,364.41
  5. Step 5: Solve for x
    x = 7,969,364.41/4,474.13
  6. Step 6: Final answer
    x = 1,781.21

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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.