Home / 4,079.76-6,119.94-1,158.29

Finding the Fourth Proportional to 4,079.76, 6,119.94 and 1,158.29

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Solution

The fourth proportional to 4,079.76, 6,119.94 and 1,158.29 is: 1,737.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.76 : 6,119.94 = 1,158.29 : x
  2. Step 2: Convert to fraction form
    4,079.76/6,119.94 = 1,158.29/x
  3. Step 3: Cross multiply
    4,079.76x = 6,119.94 × 1,158.29
  4. Step 4: Simplify right side
    4,079.76x = 7,088,634.70
  5. Step 5: Solve for x
    x = 7,088,634.70/4,079.76
  6. Step 6: Final answer
    x = 1,737.51

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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.