Home / 4,217.54-6,325.20-1,255.18

Finding the Fourth Proportional to 4,217.54, 6,325.20 and 1,255.18

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Solution

The fourth proportional to 4,217.54, 6,325.20 and 1,255.18 is: 1,882.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,217.54 : 6,325.20 = 1,255.18 : x
  2. Step 2: Convert to fraction form
    4,217.54/6,325.20 = 1,255.18/x
  3. Step 3: Cross multiply
    4,217.54x = 6,325.20 × 1,255.18
  4. Step 4: Simplify right side
    4,217.54x = 7,939,257.05
  5. Step 5: Solve for x
    x = 7,939,257.05/4,217.54
  6. Step 6: Final answer
    x = 1,882.44

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Double scale
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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.