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Finding the Fourth Proportional to 7,193.88, 10,775.15 and 3,488.26

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Solution

The fourth proportional to 7,193.88, 10,775.15 and 3,488.26 is: 5,224.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,193.88 : 10,775.15 = 3,488.26 : x
  2. Step 2: Convert to fraction form
    7,193.88/10,775.15 = 3,488.26/x
  3. Step 3: Cross multiply
    7,193.88x = 10,775.15 × 3,488.26
  4. Step 4: Simplify right side
    7,193.88x = 37,586,524.74
  5. Step 5: Solve for x
    x = 37,586,524.74/7,193.88
  6. Step 6: Final answer
    x = 5,224.79

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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.