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Finding the Fourth Proportional to 8,977.84, 13,467.48 and 2,403.97

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Solution

The fourth proportional to 8,977.84, 13,467.48 and 2,403.97 is: 3,606.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,977.84 : 13,467.48 = 2,403.97 : x
  2. Step 2: Convert to fraction form
    8,977.84/13,467.48 = 2,403.97/x
  3. Step 3: Cross multiply
    8,977.84x = 13,467.48 × 2,403.97
  4. Step 4: Simplify right side
    8,977.84x = 32,375,417.90
  5. Step 5: Solve for x
    x = 32,375,417.90/8,977.84
  6. Step 6: Final answer
    x = 3,606.15

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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.