Home / 7,091.31-9,785.27-4,108.11

Finding the Fourth Proportional to 7,091.31, 9,785.27 and 4,108.11

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Solution

The fourth proportional to 7,091.31, 9,785.27 and 4,108.11 is: 5,668.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091.31 : 9,785.27 = 4,108.11 : x
  2. Step 2: Convert to fraction form
    7,091.31/9,785.27 = 4,108.11/x
  3. Step 3: Cross multiply
    7,091.31x = 9,785.27 × 4,108.11
  4. Step 4: Simplify right side
    7,091.31x = 40,198,945.00
  5. Step 5: Solve for x
    x = 40,198,945.00/7,091.31
  6. Step 6: Final answer
    x = 5,668.76

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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.