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Finding the Fourth Proportional to 5,873.49, 8,809.78 and 2,752.68

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Solution

The fourth proportional to 5,873.49, 8,809.78 and 2,752.68 is: 4,128.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,873.49 : 8,809.78 = 2,752.68 : x
  2. Step 2: Convert to fraction form
    5,873.49/8,809.78 = 2,752.68/x
  3. Step 3: Cross multiply
    5,873.49x = 8,809.78 × 2,752.68
  4. Step 4: Simplify right side
    5,873.49x = 24,250,505.21
  5. Step 5: Solve for x
    x = 24,250,505.21/5,873.49
  6. Step 6: Final answer
    x = 4,128.81

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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.