Home / 5,158.88-7,119.28-3,034.50

Finding the Fourth Proportional to 5,158.88, 7,119.28 and 3,034.50

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Solution

The fourth proportional to 5,158.88, 7,119.28 and 3,034.50 is: 4,187.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158.88 : 7,119.28 = 3,034.50 : x
  2. Step 2: Convert to fraction form
    5,158.88/7,119.28 = 3,034.50/x
  3. Step 3: Cross multiply
    5,158.88x = 7,119.28 × 3,034.50
  4. Step 4: Simplify right side
    5,158.88x = 21,603,432.26
  5. Step 5: Solve for x
    x = 21,603,432.26/5,158.88
  6. Step 6: Final answer
    x = 4,187.62

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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.