Home / 8,787.49-13,183.16-2,943.95

Finding the Fourth Proportional to 8,787.49, 13,183.16 and 2,943.95

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Solution

The fourth proportional to 8,787.49, 13,183.16 and 2,943.95 is: 4,416.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,787.49 : 13,183.16 = 2,943.95 : x
  2. Step 2: Convert to fraction form
    8,787.49/13,183.16 = 2,943.95/x
  3. Step 3: Cross multiply
    8,787.49x = 13,183.16 × 2,943.95
  4. Step 4: Simplify right side
    8,787.49x = 38,810,483.25
  5. Step 5: Solve for x
    x = 38,810,483.25/8,787.49
  6. Step 6: Final answer
    x = 4,416.56

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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.