Home / 8,811.72-13,218.06-2,237.94

Finding the Fourth Proportional to 8,811.72, 13,218.06 and 2,237.94

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Solution

The fourth proportional to 8,811.72, 13,218.06 and 2,237.94 is: 3,357.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,811.72 : 13,218.06 = 2,237.94 : x
  2. Step 2: Convert to fraction form
    8,811.72/13,218.06 = 2,237.94/x
  3. Step 3: Cross multiply
    8,811.72x = 13,218.06 × 2,237.94
  4. Step 4: Simplify right side
    8,811.72x = 29,581,225.20
  5. Step 5: Solve for x
    x = 29,581,225.20/8,811.72
  6. Step 6: Final answer
    x = 3,357.03

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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.