Home / 6,448.85-9,673.78-2,751.11

Finding the Fourth Proportional to 6,448.85, 9,673.78 and 2,751.11

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Solution

The fourth proportional to 6,448.85, 9,673.78 and 2,751.11 is: 4,126.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,448.85 : 9,673.78 = 2,751.11 : x
  2. Step 2: Convert to fraction form
    6,448.85/9,673.78 = 2,751.11/x
  3. Step 3: Cross multiply
    6,448.85x = 9,673.78 × 2,751.11
  4. Step 4: Simplify right side
    6,448.85x = 26,613,632.90
  5. Step 5: Solve for x
    x = 26,613,632.90/6,448.85
  6. Step 6: Final answer
    x = 4,126.88

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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.