Home / 5,422.61-8,127.24-3,084.57

Finding the Fourth Proportional to 5,422.61, 8,127.24 and 3,084.57

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Solution

The fourth proportional to 5,422.61, 8,127.24 and 3,084.57 is: 4,623.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.61 : 8,127.24 = 3,084.57 : x
  2. Step 2: Convert to fraction form
    5,422.61/8,127.24 = 3,084.57/x
  3. Step 3: Cross multiply
    5,422.61x = 8,127.24 × 3,084.57
  4. Step 4: Simplify right side
    5,422.61x = 25,069,040.69
  5. Step 5: Solve for x
    x = 25,069,040.69/5,422.61
  6. Step 6: Final answer
    x = 4,623.06

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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.