Home / 4,664.38-6,987.27-2,809.90

Finding the Fourth Proportional to 4,664.38, 6,987.27 and 2,809.90

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Solution

The fourth proportional to 4,664.38, 6,987.27 and 2,809.90 is: 4,209.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,664.38 : 6,987.27 = 2,809.90 : x
  2. Step 2: Convert to fraction form
    4,664.38/6,987.27 = 2,809.90/x
  3. Step 3: Cross multiply
    4,664.38x = 6,987.27 × 2,809.90
  4. Step 4: Simplify right side
    4,664.38x = 19,633,529.97
  5. Step 5: Solve for x
    x = 19,633,529.97/4,664.38
  6. Step 6: Final answer
    x = 4,209.25

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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.