Home / 6,170.28-8,515.00-3,375.78

Finding the Fourth Proportional to 6,170.28, 8,515.00 and 3,375.78

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Solution

The fourth proportional to 6,170.28, 8,515.00 and 3,375.78 is: 4,658.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,170.28 : 8,515.00 = 3,375.78 : x
  2. Step 2: Convert to fraction form
    6,170.28/8,515.00 = 3,375.78/x
  3. Step 3: Cross multiply
    6,170.28x = 8,515.00 × 3,375.78
  4. Step 4: Simplify right side
    6,170.28x = 28,744,749.82
  5. Step 5: Solve for x
    x = 28,744,749.82/6,170.28
  6. Step 6: Final answer
    x = 4,658.58

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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.