Home / 7,091.03-9,785.22-3,904.19

Finding the Fourth Proportional to 7,091.03, 9,785.22 and 3,904.19

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Solution

The fourth proportional to 7,091.03, 9,785.22 and 3,904.19 is: 5,387.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091.03 : 9,785.22 = 3,904.19 : x
  2. Step 2: Convert to fraction form
    7,091.03/9,785.22 = 3,904.19/x
  3. Step 3: Cross multiply
    7,091.03x = 9,785.22 × 3,904.19
  4. Step 4: Simplify right side
    7,091.03x = 38,203,358.07
  5. Step 5: Solve for x
    x = 38,203,358.07/7,091.03
  6. Step 6: Final answer
    x = 5,387.56

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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.