Home / 8,099.28-11,177.51-4,912.85

Finding the Fourth Proportional to 8,099.28, 11,177.51 and 4,912.85

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Solution

The fourth proportional to 8,099.28, 11,177.51 and 4,912.85 is: 6,780.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,099.28 : 11,177.51 = 4,912.85 : x
  2. Step 2: Convert to fraction form
    8,099.28/11,177.51 = 4,912.85/x
  3. Step 3: Cross multiply
    8,099.28x = 11,177.51 × 4,912.85
  4. Step 4: Simplify right side
    8,099.28x = 54,913,349.55
  5. Step 5: Solve for x
    x = 54,913,349.55/8,099.28
  6. Step 6: Final answer
    x = 6,780.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.