Home / 8,828.10-13,237.92-2,982.78

Finding the Fourth Proportional to 8,828.10, 13,237.92 and 2,982.78

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Solution

The fourth proportional to 8,828.10, 13,237.92 and 2,982.78 is: 4,472.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,828.10 : 13,237.92 = 2,982.78 : x
  2. Step 2: Convert to fraction form
    8,828.10/13,237.92 = 2,982.78/x
  3. Step 3: Cross multiply
    8,828.10x = 13,237.92 × 2,982.78
  4. Step 4: Simplify right side
    8,828.10x = 39,485,803.02
  5. Step 5: Solve for x
    x = 39,485,803.02/8,828.10
  6. Step 6: Final answer
    x = 4,472.74

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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.