Home / 8,148.39-11,244.75-4,422.39

Finding the Fourth Proportional to 8,148.39, 11,244.75 and 4,422.39

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Solution

The fourth proportional to 8,148.39, 11,244.75 and 4,422.39 is: 6,102.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148.39 : 11,244.75 = 4,422.39 : x
  2. Step 2: Convert to fraction form
    8,148.39/11,244.75 = 4,422.39/x
  3. Step 3: Cross multiply
    8,148.39x = 11,244.75 × 4,422.39
  4. Step 4: Simplify right side
    8,148.39x = 49,728,669.95
  5. Step 5: Solve for x
    x = 49,728,669.95/8,148.39
  6. Step 6: Final answer
    x = 6,102.88

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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.