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Finding the Fourth Proportional to 8,900.86, 13,350.86 and 3,353.78

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Solution

The fourth proportional to 8,900.86, 13,350.86 and 3,353.78 is: 5,030.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,900.86 : 13,350.86 = 3,353.78 : x
  2. Step 2: Convert to fraction form
    8,900.86/13,350.86 = 3,353.78/x
  3. Step 3: Cross multiply
    8,900.86x = 13,350.86 × 3,353.78
  4. Step 4: Simplify right side
    8,900.86x = 44,775,847.25
  5. Step 5: Solve for x
    x = 44,775,847.25/8,900.86
  6. Step 6: Final answer
    x = 5,030.51

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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.