Home / 9,091.28-13,620.12-4,704.08

Finding the Fourth Proportional to 9,091.28, 13,620.12 and 4,704.08

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Solution

The fourth proportional to 9,091.28, 13,620.12 and 4,704.08 is: 7,047.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,091.28 : 13,620.12 = 4,704.08 : x
  2. Step 2: Convert to fraction form
    9,091.28/13,620.12 = 4,704.08/x
  3. Step 3: Cross multiply
    9,091.28x = 13,620.12 × 4,704.08
  4. Step 4: Simplify right side
    9,091.28x = 64,070,134.09
  5. Step 5: Solve for x
    x = 64,070,134.09/9,091.28
  6. Step 6: Final answer
    x = 7,047.43

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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.