Home / 8,943.80-12,344.19-5,711.54

Finding the Fourth Proportional to 8,943.80, 12,344.19 and 5,711.54

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Solution

The fourth proportional to 8,943.80, 12,344.19 and 5,711.54 is: 7,883.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,943.80 : 12,344.19 = 5,711.54 : x
  2. Step 2: Convert to fraction form
    8,943.80/12,344.19 = 5,711.54/x
  3. Step 3: Cross multiply
    8,943.80x = 12,344.19 × 5,711.54
  4. Step 4: Simplify right side
    8,943.80x = 70,504,334.95
  5. Step 5: Solve for x
    x = 70,504,334.95/8,943.80
  6. Step 6: Final answer
    x = 7,883.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.