Home / 9,091.44-13,639.92-4,471.20

Finding the Fourth Proportional to 9,091.44, 13,639.92 and 4,471.20

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Solution

The fourth proportional to 9,091.44, 13,639.92 and 4,471.20 is: 6,708.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,091.44 : 13,639.92 = 4,471.20 : x
  2. Step 2: Convert to fraction form
    9,091.44/13,639.92 = 4,471.20/x
  3. Step 3: Cross multiply
    9,091.44x = 13,639.92 × 4,471.20
  4. Step 4: Simplify right side
    9,091.44x = 60,986,810.30
  5. Step 5: Solve for x
    x = 60,986,810.30/9,091.44
  6. Step 6: Final answer
    x = 6,708.16

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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.