Home / 5,272.78-7,276.71-3,034.66

Finding the Fourth Proportional to 5,272.78, 7,276.71 and 3,034.66

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Solution

The fourth proportional to 5,272.78, 7,276.71 and 3,034.66 is: 4,187.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.78 : 7,276.71 = 3,034.66 : x
  2. Step 2: Convert to fraction form
    5,272.78/7,276.71 = 3,034.66/x
  3. Step 3: Cross multiply
    5,272.78x = 7,276.71 × 3,034.66
  4. Step 4: Simplify right side
    5,272.78x = 22,082,340.77
  5. Step 5: Solve for x
    x = 22,082,340.77/5,272.78
  6. Step 6: Final answer
    x = 4,187.99

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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.