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Finding the Fourth Proportional to 8,900.10, 13,352.22 and 2,660.58

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Solution

The fourth proportional to 8,900.10, 13,352.22 and 2,660.58 is: 3,991.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,900.10 : 13,352.22 = 2,660.58 : x
  2. Step 2: Convert to fraction form
    8,900.10/13,352.22 = 2,660.58/x
  3. Step 3: Cross multiply
    8,900.10x = 13,352.22 × 2,660.58
  4. Step 4: Simplify right side
    8,900.10x = 35,524,649.49
  5. Step 5: Solve for x
    x = 35,524,649.49/8,900.10
  6. Step 6: Final answer
    x = 3,991.49

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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.