Home / 5,278.34-7,283.61-3,040.11

Finding the Fourth Proportional to 5,278.34, 7,283.61 and 3,040.11

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Solution

The fourth proportional to 5,278.34, 7,283.61 and 3,040.11 is: 4,195.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,278.34 : 7,283.61 = 3,040.11 : x
  2. Step 2: Convert to fraction form
    5,278.34/7,283.61 = 3,040.11/x
  3. Step 3: Cross multiply
    5,278.34x = 7,283.61 × 3,040.11
  4. Step 4: Simplify right side
    5,278.34x = 22,142,975.60
  5. Step 5: Solve for x
    x = 22,142,975.60/5,278.34
  6. Step 6: Final answer
    x = 4,195.06

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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.