Home / 6,348.14-8,760.60-3,515.70

Finding the Fourth Proportional to 6,348.14, 8,760.60 and 3,515.70

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Solution

The fourth proportional to 6,348.14, 8,760.60 and 3,515.70 is: 4,851.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,348.14 : 8,760.60 = 3,515.70 : x
  2. Step 2: Convert to fraction form
    6,348.14/8,760.60 = 3,515.70/x
  3. Step 3: Cross multiply
    6,348.14x = 8,760.60 × 3,515.70
  4. Step 4: Simplify right side
    6,348.14x = 30,799,641.42
  5. Step 5: Solve for x
    x = 30,799,641.42/6,348.14
  6. Step 6: Final answer
    x = 4,851.76

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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.