Home / 4,512.40-6,768.78-3,640.06

Finding the Fourth Proportional to 4,512.40, 6,768.78 and 3,640.06

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Solution

The fourth proportional to 4,512.40, 6,768.78 and 3,640.06 is: 5,460.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,512.40 : 6,768.78 = 3,640.06 : x
  2. Step 2: Convert to fraction form
    4,512.40/6,768.78 = 3,640.06/x
  3. Step 3: Cross multiply
    4,512.40x = 6,768.78 × 3,640.06
  4. Step 4: Simplify right side
    4,512.40x = 24,638,765.33
  5. Step 5: Solve for x
    x = 24,638,765.33/4,512.40
  6. Step 6: Final answer
    x = 5,460.24

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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.