Home / 5,442.68-8,168.76-3,107.36

Finding the Fourth Proportional to 5,442.68, 8,168.76 and 3,107.36

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Solution

The fourth proportional to 5,442.68, 8,168.76 and 3,107.36 is: 4,663.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,442.68 : 8,168.76 = 3,107.36 : x
  2. Step 2: Convert to fraction form
    5,442.68/8,168.76 = 3,107.36/x
  3. Step 3: Cross multiply
    5,442.68x = 8,168.76 × 3,107.36
  4. Step 4: Simplify right side
    5,442.68x = 25,383,278.07
  5. Step 5: Solve for x
    x = 25,383,278.07/5,442.68
  6. Step 6: Final answer
    x = 4,663.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.