Home / 4,099.69-6,149.81-1,178.02

Finding the Fourth Proportional to 4,099.69, 6,149.81 and 1,178.02

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Solution

The fourth proportional to 4,099.69, 6,149.81 and 1,178.02 is: 1,767.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,099.69 : 6,149.81 = 1,178.02 : x
  2. Step 2: Convert to fraction form
    4,099.69/6,149.81 = 1,178.02/x
  3. Step 3: Cross multiply
    4,099.69x = 6,149.81 × 1,178.02
  4. Step 4: Simplify right side
    4,099.69x = 7,244,593.29
  5. Step 5: Solve for x
    x = 7,244,593.29/4,099.69
  6. Step 6: Final answer
    x = 1,767.11

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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.