Home / 5,327.78-7,351.35-3,739.28

Finding the Fourth Proportional to 5,327.78, 7,351.35 and 3,739.28

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Solution

The fourth proportional to 5,327.78, 7,351.35 and 3,739.28 is: 5,159.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,327.78 : 7,351.35 = 3,739.28 : x
  2. Step 2: Convert to fraction form
    5,327.78/7,351.35 = 3,739.28/x
  3. Step 3: Cross multiply
    5,327.78x = 7,351.35 × 3,739.28
  4. Step 4: Simplify right side
    5,327.78x = 27,488,719.27
  5. Step 5: Solve for x
    x = 27,488,719.27/5,327.78
  6. Step 6: Final answer
    x = 5,159.51

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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.