Home / 5,149.08-7,725.90-2,188.26

Finding the Fourth Proportional to 5,149.08, 7,725.90 and 2,188.26

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Solution

The fourth proportional to 5,149.08, 7,725.90 and 2,188.26 is: 3,283.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149.08 : 7,725.90 = 2,188.26 : x
  2. Step 2: Convert to fraction form
    5,149.08/7,725.90 = 2,188.26/x
  3. Step 3: Cross multiply
    5,149.08x = 7,725.90 × 2,188.26
  4. Step 4: Simplify right side
    5,149.08x = 16,906,277.93
  5. Step 5: Solve for x
    x = 16,906,277.93/5,149.08
  6. Step 6: Final answer
    x = 3,283.36

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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.