Home / 6,272.16-9,408.48-3,190.56

Finding the Fourth Proportional to 6,272.16, 9,408.48 and 3,190.56

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Solution

The fourth proportional to 6,272.16, 9,408.48 and 3,190.56 is: 4,785.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,272.16 : 9,408.48 = 3,190.56 : x
  2. Step 2: Convert to fraction form
    6,272.16/9,408.48 = 3,190.56/x
  3. Step 3: Cross multiply
    6,272.16x = 9,408.48 × 3,190.56
  4. Step 4: Simplify right side
    6,272.16x = 30,018,319.95
  5. Step 5: Solve for x
    x = 30,018,319.95/6,272.16
  6. Step 6: Final answer
    x = 4,785.96

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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.