Home / 4,149.74-6,224.61-1,227.81

Finding the Fourth Proportional to 4,149.74, 6,224.61 and 1,227.81

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Solution

The fourth proportional to 4,149.74, 6,224.61 and 1,227.81 is: 1,841.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,149.74 : 6,224.61 = 1,227.81 : x
  2. Step 2: Convert to fraction form
    4,149.74/6,224.61 = 1,227.81/x
  3. Step 3: Cross multiply
    4,149.74x = 6,224.61 × 1,227.81
  4. Step 4: Simplify right side
    4,149.74x = 7,642,638.40
  5. Step 5: Solve for x
    x = 7,642,638.40/4,149.74
  6. Step 6: Final answer
    x = 1,841.72

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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.