Home / 4,099.80-6,150.66-1,178.04

Finding the Fourth Proportional to 4,099.80, 6,150.66 and 1,178.04

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Solution

The fourth proportional to 4,099.80, 6,150.66 and 1,178.04 is: 1,767.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,099.80 : 6,150.66 = 1,178.04 : x
  2. Step 2: Convert to fraction form
    4,099.80/6,150.66 = 1,178.04/x
  3. Step 3: Cross multiply
    4,099.80x = 6,150.66 × 1,178.04
  4. Step 4: Simplify right side
    4,099.80x = 7,245,723.51
  5. Step 5: Solve for x
    x = 7,245,723.51/4,099.80
  6. Step 6: Final answer
    x = 1,767.34

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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.