Home / 4,529.24-6,787.38-2,987

Finding the Fourth Proportional to 4,529.24, 6,787.38 and 2,987

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Solution

The fourth proportional to 4,529.24, 6,787.38 and 2,987 is: 4,476.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,529.24 : 6,787.38 = 2,987 : x
  2. Step 2: Convert to fraction form
    4,529.24/6,787.38 = 2,987/x
  3. Step 3: Cross multiply
    4,529.24x = 6,787.38 × 2,987
  4. Step 4: Simplify right side
    4,529.24x = 20,273,904.06
  5. Step 5: Solve for x
    x = 20,273,904.06/4,529.24
  6. Step 6: Final answer
    x = 4,476.23

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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.