Home / 5,158.44-7,116.84-3,391.02

Finding the Fourth Proportional to 5,158.44, 7,116.84 and 3,391.02

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Solution

The fourth proportional to 5,158.44, 7,116.84 and 3,391.02 is: 4,678.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158.44 : 7,116.84 = 3,391.02 : x
  2. Step 2: Convert to fraction form
    5,158.44/7,116.84 = 3,391.02/x
  3. Step 3: Cross multiply
    5,158.44x = 7,116.84 × 3,391.02
  4. Step 4: Simplify right side
    5,158.44x = 24,133,346.78
  5. Step 5: Solve for x
    x = 24,133,346.78/5,158.44
  6. Step 6: Final answer
    x = 4,678.42

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