Home / 4,512.28-6,768.72-1,225.12

Finding the Fourth Proportional to 4,512.28, 6,768.72 and 1,225.12

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Solution

The fourth proportional to 4,512.28, 6,768.72 and 1,225.12 is: 1,837.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,512.28 : 6,768.72 = 1,225.12 : x
  2. Step 2: Convert to fraction form
    4,512.28/6,768.72 = 1,225.12/x
  3. Step 3: Cross multiply
    4,512.28x = 6,768.72 × 1,225.12
  4. Step 4: Simplify right side
    4,512.28x = 8,292,494.25
  5. Step 5: Solve for x
    x = 8,292,494.25/4,512.28
  6. Step 6: Final answer
    x = 1,837.76

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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.