Home / 4,099.65-6,149.78-1,177.98

Finding the Fourth Proportional to 4,099.65, 6,149.78 and 1,177.98

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Solution

The fourth proportional to 4,099.65, 6,149.78 and 1,177.98 is: 1,767.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,099.65 : 6,149.78 = 1,177.98 : x
  2. Step 2: Convert to fraction form
    4,099.65/6,149.78 = 1,177.98/x
  3. Step 3: Cross multiply
    4,099.65x = 6,149.78 × 1,177.98
  4. Step 4: Simplify right side
    4,099.65x = 7,244,311.95
  5. Step 5: Solve for x
    x = 7,244,311.95/4,099.65
  6. Step 6: Final answer
    x = 1,767.06

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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.