Home / 5,947.04-8,920.73-1,787.15

Finding the Fourth Proportional to 5,947.04, 8,920.73 and 1,787.15

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Solution

The fourth proportional to 5,947.04, 8,920.73 and 1,787.15 is: 2,680.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,947.04 : 8,920.73 = 1,787.15 : x
  2. Step 2: Convert to fraction form
    5,947.04/8,920.73 = 1,787.15/x
  3. Step 3: Cross multiply
    5,947.04x = 8,920.73 × 1,787.15
  4. Step 4: Simplify right side
    5,947.04x = 15,942,709.39
  5. Step 5: Solve for x
    x = 15,942,709.39/5,947.04
  6. Step 6: Final answer
    x = 2,680.78

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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.