Home / 5,787.20-8,677.72-1,837.39

Finding the Fourth Proportional to 5,787.20, 8,677.72 and 1,837.39

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Solution

The fourth proportional to 5,787.20, 8,677.72 and 1,837.39 is: 2,755.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,787.20 : 8,677.72 = 1,837.39 : x
  2. Step 2: Convert to fraction form
    5,787.20/8,677.72 = 1,837.39/x
  3. Step 3: Cross multiply
    5,787.20x = 8,677.72 × 1,837.39
  4. Step 4: Simplify right side
    5,787.20x = 15,944,342.49
  5. Step 5: Solve for x
    x = 15,944,342.49/5,787.20
  6. Step 6: Final answer
    x = 2,755.10

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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.