Home / 5,236.90-7,227.10-2,998.74

Finding the Fourth Proportional to 5,236.90, 7,227.10 and 2,998.74

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Solution

The fourth proportional to 5,236.90, 7,227.10 and 2,998.74 is: 4,138.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.90 : 7,227.10 = 2,998.74 : x
  2. Step 2: Convert to fraction form
    5,236.90/7,227.10 = 2,998.74/x
  3. Step 3: Cross multiply
    5,236.90x = 7,227.10 × 2,998.74
  4. Step 4: Simplify right side
    5,236.90x = 21,672,193.85
  5. Step 5: Solve for x
    x = 21,672,193.85/5,236.90
  6. Step 6: Final answer
    x = 4,138.36

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1.5x scale

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.