Home / 8,834.20-13,243.06-2,986.72

Finding the Fourth Proportional to 8,834.20, 13,243.06 and 2,986.72

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Solution

The fourth proportional to 8,834.20, 13,243.06 and 2,986.72 is: 4,477.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,834.20 : 13,243.06 = 2,986.72 : x
  2. Step 2: Convert to fraction form
    8,834.20/13,243.06 = 2,986.72/x
  3. Step 3: Cross multiply
    8,834.20x = 13,243.06 × 2,986.72
  4. Step 4: Simplify right side
    8,834.20x = 39,553,312.16
  5. Step 5: Solve for x
    x = 39,553,312.16/8,834.20
  6. Step 6: Final answer
    x = 4,477.29

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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.