Home / 8,787.78-13,180.29-2,944.44

Finding the Fourth Proportional to 8,787.78, 13,180.29 and 2,944.44

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Solution

The fourth proportional to 8,787.78, 13,180.29 and 2,944.44 is: 4,416.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,787.78 : 13,180.29 = 2,944.44 : x
  2. Step 2: Convert to fraction form
    8,787.78/13,180.29 = 2,944.44/x
  3. Step 3: Cross multiply
    8,787.78x = 13,180.29 × 2,944.44
  4. Step 4: Simplify right side
    8,787.78x = 38,808,573.09
  5. Step 5: Solve for x
    x = 38,808,573.09/8,787.78
  6. Step 6: Final answer
    x = 4,416.20

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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.