Home / 6,968.11-10,449.79-2,807.04

Finding the Fourth Proportional to 6,968.11, 10,449.79 and 2,807.04

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Solution

The fourth proportional to 6,968.11, 10,449.79 and 2,807.04 is: 4,209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,968.11 : 10,449.79 = 2,807.04 : x
  2. Step 2: Convert to fraction form
    6,968.11/10,449.79 = 2,807.04/x
  3. Step 3: Cross multiply
    6,968.11x = 10,449.79 × 2,807.04
  4. Step 4: Simplify right side
    6,968.11x = 29,332,978.52
  5. Step 5: Solve for x
    x = 29,332,978.52/6,968.11
  6. Step 6: Final answer
    x = 4,209.60

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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.