Home / 4,251.18-6,376.76-1,131.19

Finding the Fourth Proportional to 4,251.18, 6,376.76 and 1,131.19

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Solution

The fourth proportional to 4,251.18, 6,376.76 and 1,131.19 is: 1,696.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,251.18 : 6,376.76 = 1,131.19 : x
  2. Step 2: Convert to fraction form
    4,251.18/6,376.76 = 1,131.19/x
  3. Step 3: Cross multiply
    4,251.18x = 6,376.76 × 1,131.19
  4. Step 4: Simplify right side
    4,251.18x = 7,213,315.44
  5. Step 5: Solve for x
    x = 7,213,315.44/4,251.18
  6. Step 6: Final answer
    x = 1,696.78

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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.