Home / 5,015.61-7,538.45-3,382.65

Finding the Fourth Proportional to 5,015.61, 7,538.45 and 3,382.65

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Solution

The fourth proportional to 5,015.61, 7,538.45 and 3,382.65 is: 5,084.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,015.61 : 7,538.45 = 3,382.65 : x
  2. Step 2: Convert to fraction form
    5,015.61/7,538.45 = 3,382.65/x
  3. Step 3: Cross multiply
    5,015.61x = 7,538.45 × 3,382.65
  4. Step 4: Simplify right side
    5,015.61x = 25,499,937.89
  5. Step 5: Solve for x
    x = 25,499,937.89/5,015.61
  6. Step 6: Final answer
    x = 5,084.11

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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.