Home / 8,404.19-12,600.44-3,721.66

Finding the Fourth Proportional to 8,404.19, 12,600.44 and 3,721.66

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Solution

The fourth proportional to 8,404.19, 12,600.44 and 3,721.66 is: 5,579.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,404.19 : 12,600.44 = 3,721.66 : x
  2. Step 2: Convert to fraction form
    8,404.19/12,600.44 = 3,721.66/x
  3. Step 3: Cross multiply
    8,404.19x = 12,600.44 × 3,721.66
  4. Step 4: Simplify right side
    8,404.19x = 46,894,548.18
  5. Step 5: Solve for x
    x = 46,894,548.18/8,404.19
  6. Step 6: Final answer
    x = 5,579.90

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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.