Home / 8,816.41-13,218.31-4,133.85

Finding the Fourth Proportional to 8,816.41, 13,218.31 and 4,133.85

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Solution

The fourth proportional to 8,816.41, 13,218.31 and 4,133.85 is: 6,197.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,816.41 : 13,218.31 = 4,133.85 : x
  2. Step 2: Convert to fraction form
    8,816.41/13,218.31 = 4,133.85/x
  3. Step 3: Cross multiply
    8,816.41x = 13,218.31 × 4,133.85
  4. Step 4: Simplify right side
    8,816.41x = 54,642,510.79
  5. Step 5: Solve for x
    x = 54,642,510.79/8,816.41
  6. Step 6: Final answer
    x = 6,197.82

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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.