Home / 6,968.18-10,449.68-2,806.79

Finding the Fourth Proportional to 6,968.18, 10,449.68 and 2,806.79

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Solution

The fourth proportional to 6,968.18, 10,449.68 and 2,806.79 is: 4,209.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,968.18 : 10,449.68 = 2,806.79 : x
  2. Step 2: Convert to fraction form
    6,968.18/10,449.68 = 2,806.79/x
  3. Step 3: Cross multiply
    6,968.18x = 10,449.68 × 2,806.79
  4. Step 4: Simplify right side
    6,968.18x = 29,329,991.04
  5. Step 5: Solve for x
    x = 29,329,991.04/6,968.18
  6. Step 6: Final answer
    x = 4,209.13

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1.5x scale

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.