Home / 4,079.87-6,119.87-1,158.18

Finding the Fourth Proportional to 4,079.87, 6,119.87 and 1,158.18

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Solution

The fourth proportional to 4,079.87, 6,119.87 and 1,158.18 is: 1,737.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.87 : 6,119.87 = 1,158.18 : x
  2. Step 2: Convert to fraction form
    4,079.87/6,119.87 = 1,158.18/x
  3. Step 3: Cross multiply
    4,079.87x = 6,119.87 × 1,158.18
  4. Step 4: Simplify right side
    4,079.87x = 7,087,892.53
  5. Step 5: Solve for x
    x = 7,087,892.53/4,079.87
  6. Step 6: Final answer
    x = 1,737.28

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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.