Home / 4,318.92-5,921.91-3,897.72

Finding the Fourth Proportional to 4,318.92, 5,921.91 and 3,897.72

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Solution

The fourth proportional to 4,318.92, 5,921.91 and 3,897.72 is: 5,344.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,318.92 : 5,921.91 = 3,897.72 : x
  2. Step 2: Convert to fraction form
    4,318.92/5,921.91 = 3,897.72/x
  3. Step 3: Cross multiply
    4,318.92x = 5,921.91 × 3,897.72
  4. Step 4: Simplify right side
    4,318.92x = 23,081,947.05
  5. Step 5: Solve for x
    x = 23,081,947.05/4,318.92
  6. Step 6: Final answer
    x = 5,344.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.