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Finding the Fourth Proportional to 7,034.76, 10,552.08 and 3,919.44

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Solution

The fourth proportional to 7,034.76, 10,552.08 and 3,919.44 is: 5,879.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,034.76 : 10,552.08 = 3,919.44 : x
  2. Step 2: Convert to fraction form
    7,034.76/10,552.08 = 3,919.44/x
  3. Step 3: Cross multiply
    7,034.76x = 10,552.08 × 3,919.44
  4. Step 4: Simplify right side
    7,034.76x = 41,358,244.44
  5. Step 5: Solve for x
    x = 41,358,244.44/7,034.76
  6. Step 6: Final answer
    x = 5,879.13

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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.