Home / 5,158.13-7,737.46-1,995.56

Finding the Fourth Proportional to 5,158.13, 7,737.46 and 1,995.56

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Solution

The fourth proportional to 5,158.13, 7,737.46 and 1,995.56 is: 2,993.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158.13 : 7,737.46 = 1,995.56 : x
  2. Step 2: Convert to fraction form
    5,158.13/7,737.46 = 1,995.56/x
  3. Step 3: Cross multiply
    5,158.13x = 7,737.46 × 1,995.56
  4. Step 4: Simplify right side
    5,158.13x = 15,440,565.68
  5. Step 5: Solve for x
    x = 15,440,565.68/5,158.13
  6. Step 6: Final answer
    x = 2,993.44

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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.