Home / 8,225.90-11,351.71-4,449.07

Finding the Fourth Proportional to 8,225.90, 11,351.71 and 4,449.07

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Solution

The fourth proportional to 8,225.90, 11,351.71 and 4,449.07 is: 6,139.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,225.90 : 11,351.71 = 4,449.07 : x
  2. Step 2: Convert to fraction form
    8,225.90/11,351.71 = 4,449.07/x
  3. Step 3: Cross multiply
    8,225.90x = 11,351.71 × 4,449.07
  4. Step 4: Simplify right side
    8,225.90x = 50,504,512.91
  5. Step 5: Solve for x
    x = 50,504,512.91/8,225.90
  6. Step 6: Final answer
    x = 6,139.70

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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.