Home / 8,816.80-13,218.74-3,270.17

Finding the Fourth Proportional to 8,816.80, 13,218.74 and 3,270.17

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Solution

The fourth proportional to 8,816.80, 13,218.74 and 3,270.17 is: 4,902.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,816.80 : 13,218.74 = 3,270.17 : x
  2. Step 2: Convert to fraction form
    8,816.80/13,218.74 = 3,270.17/x
  3. Step 3: Cross multiply
    8,816.80x = 13,218.74 × 3,270.17
  4. Step 4: Simplify right side
    8,816.80x = 43,227,574.34
  5. Step 5: Solve for x
    x = 43,227,574.34/8,816.80
  6. Step 6: Final answer
    x = 4,902.86

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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.