Home / 5,438.92-8,159.46-3,100

Finding the Fourth Proportional to 5,438.92, 8,159.46 and 3,100

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Solution

The fourth proportional to 5,438.92, 8,159.46 and 3,100 is: 4,650.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438.92 : 8,159.46 = 3,100 : x
  2. Step 2: Convert to fraction form
    5,438.92/8,159.46 = 3,100/x
  3. Step 3: Cross multiply
    5,438.92x = 8,159.46 × 3,100
  4. Step 4: Simplify right side
    5,438.92x = 25,294,326
  5. Step 5: Solve for x
    x = 25,294,326/5,438.92
  6. Step 6: Final answer
    x = 4,650.62

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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.