Home / 7,171.74-10,757.55-4,247.94

Finding the Fourth Proportional to 7,171.74, 10,757.55 and 4,247.94

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Solution

The fourth proportional to 7,171.74, 10,757.55 and 4,247.94 is: 6,371.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171.74 : 10,757.55 = 4,247.94 : x
  2. Step 2: Convert to fraction form
    7,171.74/10,757.55 = 4,247.94/x
  3. Step 3: Cross multiply
    7,171.74x = 10,757.55 × 4,247.94
  4. Step 4: Simplify right side
    7,171.74x = 45,697,426.95
  5. Step 5: Solve for x
    x = 45,697,426.95/7,171.74
  6. Step 6: Final answer
    x = 6,371.88

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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.