Home / 4,213.74-6,320.61-1,747.20

Finding the Fourth Proportional to 4,213.74, 6,320.61 and 1,747.20

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Solution

The fourth proportional to 4,213.74, 6,320.61 and 1,747.20 is: 2,620.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.74 : 6,320.61 = 1,747.20 : x
  2. Step 2: Convert to fraction form
    4,213.74/6,320.61 = 1,747.20/x
  3. Step 3: Cross multiply
    4,213.74x = 6,320.61 × 1,747.20
  4. Step 4: Simplify right side
    4,213.74x = 11,043,369.79
  5. Step 5: Solve for x
    x = 11,043,369.79/4,213.74
  6. Step 6: Final answer
    x = 2,620.80

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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.