Home / 4,121.12-5,689.56-2,707.06

Finding the Fourth Proportional to 4,121.12, 5,689.56 and 2,707.06

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Solution

The fourth proportional to 4,121.12, 5,689.56 and 2,707.06 is: 3,737.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.12 : 5,689.56 = 2,707.06 : x
  2. Step 2: Convert to fraction form
    4,121.12/5,689.56 = 2,707.06/x
  3. Step 3: Cross multiply
    4,121.12x = 5,689.56 × 2,707.06
  4. Step 4: Simplify right side
    4,121.12x = 15,401,966.76
  5. Step 5: Solve for x
    x = 15,401,966.76/4,121.12
  6. Step 6: Final answer
    x = 3,737.33

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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.