Home / 4,318.38-6,477.84-1,721.25

Finding the Fourth Proportional to 4,318.38, 6,477.84 and 1,721.25

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Solution

The fourth proportional to 4,318.38, 6,477.84 and 1,721.25 is: 2,581.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,318.38 : 6,477.84 = 1,721.25 : x
  2. Step 2: Convert to fraction form
    4,318.38/6,477.84 = 1,721.25/x
  3. Step 3: Cross multiply
    4,318.38x = 6,477.84 × 1,721.25
  4. Step 4: Simplify right side
    4,318.38x = 11,149,982.10
  5. Step 5: Solve for x
    x = 11,149,982.10/4,318.38
  6. Step 6: Final answer
    x = 2,581.98

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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.