Home / 7,860.27-11,787.90-2,594.30

Finding the Fourth Proportional to 7,860.27, 11,787.90 and 2,594.30

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Solution

The fourth proportional to 7,860.27, 11,787.90 and 2,594.30 is: 3,890.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,860.27 : 11,787.90 = 2,594.30 : x
  2. Step 2: Convert to fraction form
    7,860.27/11,787.90 = 2,594.30/x
  3. Step 3: Cross multiply
    7,860.27x = 11,787.90 × 2,594.30
  4. Step 4: Simplify right side
    7,860.27x = 30,581,348.97
  5. Step 5: Solve for x
    x = 30,581,348.97/7,860.27
  6. Step 6: Final answer
    x = 3,890.62

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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.