Home / 6,468.20-9,700.86-2,310.80

Finding the Fourth Proportional to 6,468.20, 9,700.86 and 2,310.80

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Solution

The fourth proportional to 6,468.20, 9,700.86 and 2,310.80 is: 3,465.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,468.20 : 9,700.86 = 2,310.80 : x
  2. Step 2: Convert to fraction form
    6,468.20/9,700.86 = 2,310.80/x
  3. Step 3: Cross multiply
    6,468.20x = 9,700.86 × 2,310.80
  4. Step 4: Simplify right side
    6,468.20x = 22,416,747.29
  5. Step 5: Solve for x
    x = 22,416,747.29/6,468.20
  6. Step 6: Final answer
    x = 3,465.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.