Home / 7,948.72-11,919.03-3,014.61

Finding the Fourth Proportional to 7,948.72, 11,919.03 and 3,014.61

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Solution

The fourth proportional to 7,948.72, 11,919.03 and 3,014.61 is: 4,520.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,948.72 : 11,919.03 = 3,014.61 : x
  2. Step 2: Convert to fraction form
    7,948.72/11,919.03 = 3,014.61/x
  3. Step 3: Cross multiply
    7,948.72x = 11,919.03 × 3,014.61
  4. Step 4: Simplify right side
    7,948.72x = 35,931,227.03
  5. Step 5: Solve for x
    x = 35,931,227.03/7,948.72
  6. Step 6: Final answer
    x = 4,520.38

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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.