Home / 8,469.48-12,701.49-2,922.72

Finding the Fourth Proportional to 8,469.48, 12,701.49 and 2,922.72

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Solution

The fourth proportional to 8,469.48, 12,701.49 and 2,922.72 is: 4,383.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,469.48 : 12,701.49 = 2,922.72 : x
  2. Step 2: Convert to fraction form
    8,469.48/12,701.49 = 2,922.72/x
  3. Step 3: Cross multiply
    8,469.48x = 12,701.49 × 2,922.72
  4. Step 4: Simplify right side
    8,469.48x = 37,122,898.85
  5. Step 5: Solve for x
    x = 37,122,898.85/8,469.48
  6. Step 6: Final answer
    x = 4,383.14

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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.