Home / 5,311.38-7,975.29-2,851.01

Finding the Fourth Proportional to 5,311.38, 7,975.29 and 2,851.01

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Solution

The fourth proportional to 5,311.38, 7,975.29 and 2,851.01 is: 4,280.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,311.38 : 7,975.29 = 2,851.01 : x
  2. Step 2: Convert to fraction form
    5,311.38/7,975.29 = 2,851.01/x
  3. Step 3: Cross multiply
    5,311.38x = 7,975.29 × 2,851.01
  4. Step 4: Simplify right side
    5,311.38x = 22,737,591.67
  5. Step 5: Solve for x
    x = 22,737,591.67/5,311.38
  6. Step 6: Final answer
    x = 4,280.92

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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.