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Finding the Fourth Proportional to 8,844.50, 12,203.78 and 5,260.65

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Solution

The fourth proportional to 8,844.50, 12,203.78 and 5,260.65 is: 7,258.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,844.50 : 12,203.78 = 5,260.65 : x
  2. Step 2: Convert to fraction form
    8,844.50/12,203.78 = 5,260.65/x
  3. Step 3: Cross multiply
    8,844.50x = 12,203.78 × 5,260.65
  4. Step 4: Simplify right side
    8,844.50x = 64,199,788.95
  5. Step 5: Solve for x
    x = 64,199,788.95/8,844.50
  6. Step 6: Final answer
    x = 7,258.73

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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.