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Finding the Fourth Proportional to 8,775.73, 13,166.43 and 2,933.20

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Solution

The fourth proportional to 8,775.73, 13,166.43 and 2,933.20 is: 4,400.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,775.73 : 13,166.43 = 2,933.20 : x
  2. Step 2: Convert to fraction form
    8,775.73/13,166.43 = 2,933.20/x
  3. Step 3: Cross multiply
    8,775.73x = 13,166.43 × 2,933.20
  4. Step 4: Simplify right side
    8,775.73x = 38,619,772.48
  5. Step 5: Solve for x
    x = 38,619,772.48/8,775.73
  6. Step 6: Final answer
    x = 4,400.75

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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.