Home / 5,414.83-7,478.62-3,643.36

Finding the Fourth Proportional to 5,414.83, 7,478.62 and 3,643.36

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Solution

The fourth proportional to 5,414.83, 7,478.62 and 3,643.36 is: 5,031.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414.83 : 7,478.62 = 3,643.36 : x
  2. Step 2: Convert to fraction form
    5,414.83/7,478.62 = 3,643.36/x
  3. Step 3: Cross multiply
    5,414.83x = 7,478.62 × 3,643.36
  4. Step 4: Simplify right side
    5,414.83x = 27,247,304.96
  5. Step 5: Solve for x
    x = 27,247,304.96/5,414.83
  6. Step 6: Final answer
    x = 5,031.98

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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.