Home / 5,277.28-7,283.38-3,181

Finding the Fourth Proportional to 5,277.28, 7,283.38 and 3,181

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Solution

The fourth proportional to 5,277.28, 7,283.38 and 3,181 is: 4,390.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.28 : 7,283.38 = 3,181 : x
  2. Step 2: Convert to fraction form
    5,277.28/7,283.38 = 3,181/x
  3. Step 3: Cross multiply
    5,277.28x = 7,283.38 × 3,181
  4. Step 4: Simplify right side
    5,277.28x = 23,168,431.78
  5. Step 5: Solve for x
    x = 23,168,431.78/5,277.28
  6. Step 6: Final answer
    x = 4,390.22

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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.