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Finding the Fourth Proportional to 8,775.99, 13,163.65 and 2,202.22

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Solution

The fourth proportional to 8,775.99, 13,163.65 and 2,202.22 is: 3,303.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,775.99 : 13,163.65 = 2,202.22 : x
  2. Step 2: Convert to fraction form
    8,775.99/13,163.65 = 2,202.22/x
  3. Step 3: Cross multiply
    8,775.99x = 13,163.65 × 2,202.22
  4. Step 4: Simplify right side
    8,775.99x = 28,989,253.30
  5. Step 5: Solve for x
    x = 28,989,253.30/8,775.99
  6. Step 6: Final answer
    x = 3,303.25

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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.