Home / 6,310.05-8,707.68-3,515.55

Finding the Fourth Proportional to 6,310.05, 8,707.68 and 3,515.55

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Solution

The fourth proportional to 6,310.05, 8,707.68 and 3,515.55 is: 4,851.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,310.05 : 8,707.68 = 3,515.55 : x
  2. Step 2: Convert to fraction form
    6,310.05/8,707.68 = 3,515.55/x
  3. Step 3: Cross multiply
    6,310.05x = 8,707.68 × 3,515.55
  4. Step 4: Simplify right side
    6,310.05x = 30,612,284.42
  5. Step 5: Solve for x
    x = 30,612,284.42/6,310.05
  6. Step 6: Final answer
    x = 4,851.35

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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.