Home / 4,061.28-6,091.92-3,138.16

Finding the Fourth Proportional to 4,061.28, 6,091.92 and 3,138.16

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Solution

The fourth proportional to 4,061.28, 6,091.92 and 3,138.16 is: 4,707.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,061.28 : 6,091.92 = 3,138.16 : x
  2. Step 2: Convert to fraction form
    4,061.28/6,091.92 = 3,138.16/x
  3. Step 3: Cross multiply
    4,061.28x = 6,091.92 × 3,138.16
  4. Step 4: Simplify right side
    4,061.28x = 19,117,419.67
  5. Step 5: Solve for x
    x = 19,117,419.67/4,061.28
  6. Step 6: Final answer
    x = 4,707.24

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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.