Home / 5,322.28-7,337.19-3,829.72

Finding the Fourth Proportional to 5,322.28, 7,337.19 and 3,829.72

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Solution

The fourth proportional to 5,322.28, 7,337.19 and 3,829.72 is: 5,279.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,322.28 : 7,337.19 = 3,829.72 : x
  2. Step 2: Convert to fraction form
    5,322.28/7,337.19 = 3,829.72/x
  3. Step 3: Cross multiply
    5,322.28x = 7,337.19 × 3,829.72
  4. Step 4: Simplify right side
    5,322.28x = 28,099,383.29
  5. Step 5: Solve for x
    x = 28,099,383.29/5,322.28
  6. Step 6: Final answer
    x = 5,279.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.