Home / 6,310.83-8,708.91-3,659.78

Finding the Fourth Proportional to 6,310.83, 8,708.91 and 3,659.78

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Solution

The fourth proportional to 6,310.83, 8,708.91 and 3,659.78 is: 5,050.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,310.83 : 8,708.91 = 3,659.78 : x
  2. Step 2: Convert to fraction form
    6,310.83/8,708.91 = 3,659.78/x
  3. Step 3: Cross multiply
    6,310.83x = 8,708.91 × 3,659.78
  4. Step 4: Simplify right side
    6,310.83x = 31,872,651.10
  5. Step 5: Solve for x
    x = 31,872,651.10/6,310.83
  6. Step 6: Final answer
    x = 5,050.47

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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.