Home / 5,921.30-8,170.56-3,268.71

Finding the Fourth Proportional to 5,921.30, 8,170.56 and 3,268.71

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Solution

The fourth proportional to 5,921.30, 8,170.56 and 3,268.71 is: 4,510.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.30 : 8,170.56 = 3,268.71 : x
  2. Step 2: Convert to fraction form
    5,921.30/8,170.56 = 3,268.71/x
  3. Step 3: Cross multiply
    5,921.30x = 8,170.56 × 3,268.71
  4. Step 4: Simplify right side
    5,921.30x = 26,707,191.18
  5. Step 5: Solve for x
    x = 26,707,191.18/5,921.30
  6. Step 6: Final answer
    x = 4,510.36

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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.