Home / 5,353.28-7,980.44-5,269.04

Finding the Fourth Proportional to 5,353.28, 7,980.44 and 5,269.04

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Solution

The fourth proportional to 5,353.28, 7,980.44 and 5,269.04 is: 7,854.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.28 : 7,980.44 = 5,269.04 : x
  2. Step 2: Convert to fraction form
    5,353.28/7,980.44 = 5,269.04/x
  3. Step 3: Cross multiply
    5,353.28x = 7,980.44 × 5,269.04
  4. Step 4: Simplify right side
    5,353.28x = 42,049,257.58
  5. Step 5: Solve for x
    x = 42,049,257.58/5,353.28
  6. Step 6: Final answer
    x = 7,854.86

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.