Home / 7,171.20-10,757.88-2,239.77

Finding the Fourth Proportional to 7,171.20, 10,757.88 and 2,239.77

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Solution

The fourth proportional to 7,171.20, 10,757.88 and 2,239.77 is: 3,359.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171.20 : 10,757.88 = 2,239.77 : x
  2. Step 2: Convert to fraction form
    7,171.20/10,757.88 = 2,239.77/x
  3. Step 3: Cross multiply
    7,171.20x = 10,757.88 × 2,239.77
  4. Step 4: Simplify right side
    7,171.20x = 24,095,176.89
  5. Step 5: Solve for x
    x = 24,095,176.89/7,171.20
  6. Step 6: Final answer
    x = 3,359.99

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1.5x scale

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.