Home / 4,217.75-6,325.97-1,443.78

Finding the Fourth Proportional to 4,217.75, 6,325.97 and 1,443.78

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Solution

The fourth proportional to 4,217.75, 6,325.97 and 1,443.78 is: 2,165.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,217.75 : 6,325.97 = 1,443.78 : x
  2. Step 2: Convert to fraction form
    4,217.75/6,325.97 = 1,443.78/x
  3. Step 3: Cross multiply
    4,217.75x = 6,325.97 × 1,443.78
  4. Step 4: Simplify right side
    4,217.75x = 9,133,324.78
  5. Step 5: Solve for x
    x = 9,133,324.78/4,217.75
  6. Step 6: Final answer
    x = 2,165.45

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1.5x scale

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.