Home / 6,310.20-8,707.92-3,515.64

Finding the Fourth Proportional to 6,310.20, 8,707.92 and 3,515.64

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Solution

The fourth proportional to 6,310.20, 8,707.92 and 3,515.64 is: 4,851.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,310.20 : 8,707.92 = 3,515.64 : x
  2. Step 2: Convert to fraction form
    6,310.20/8,707.92 = 3,515.64/x
  3. Step 3: Cross multiply
    6,310.20x = 8,707.92 × 3,515.64
  4. Step 4: Simplify right side
    6,310.20x = 30,613,911.87
  5. Step 5: Solve for x
    x = 30,613,911.87/6,310.20
  6. Step 6: Final answer
    x = 4,851.50

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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.