Home / 8,816.91-13,219.21-3,268.76

Finding the Fourth Proportional to 8,816.91, 13,219.21 and 3,268.76

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Solution

The fourth proportional to 8,816.91, 13,219.21 and 3,268.76 is: 4,900.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,816.91 : 13,219.21 = 3,268.76 : x
  2. Step 2: Convert to fraction form
    8,816.91/13,219.21 = 3,268.76/x
  3. Step 3: Cross multiply
    8,816.91x = 13,219.21 × 3,268.76
  4. Step 4: Simplify right side
    8,816.91x = 43,210,490.95
  5. Step 5: Solve for x
    x = 43,210,490.95/8,816.91
  6. Step 6: Final answer
    x = 4,900.87

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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.