Home / 5,787.60-8,680.52-1,892

Finding the Fourth Proportional to 5,787.60, 8,680.52 and 1,892

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Solution

The fourth proportional to 5,787.60, 8,680.52 and 1,892 is: 2,837.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,787.60 : 8,680.52 = 1,892 : x
  2. Step 2: Convert to fraction form
    5,787.60/8,680.52 = 1,892/x
  3. Step 3: Cross multiply
    5,787.60x = 8,680.52 × 1,892
  4. Step 4: Simplify right side
    5,787.60x = 16,423,543.84
  5. Step 5: Solve for x
    x = 16,423,543.84/5,787.60
  6. Step 6: Final answer
    x = 2,837.71

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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.