Home / 4,911.59-7,367.25-2,138.26

Finding the Fourth Proportional to 4,911.59, 7,367.25 and 2,138.26

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Solution

The fourth proportional to 4,911.59, 7,367.25 and 2,138.26 is: 3,207.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.59 : 7,367.25 = 2,138.26 : x
  2. Step 2: Convert to fraction form
    4,911.59/7,367.25 = 2,138.26/x
  3. Step 3: Cross multiply
    4,911.59x = 7,367.25 × 2,138.26
  4. Step 4: Simplify right side
    4,911.59x = 15,753,099.40
  5. Step 5: Solve for x
    x = 15,753,099.40/4,911.59
  6. Step 6: Final answer
    x = 3,207.33

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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.