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Finding the Fourth Proportional to 4,707.96, 7,064.22 and 3,330.16

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Solution

The fourth proportional to 4,707.96, 7,064.22 and 3,330.16 is: 4,996.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,707.96 : 7,064.22 = 3,330.16 : x
  2. Step 2: Convert to fraction form
    4,707.96/7,064.22 = 3,330.16/x
  3. Step 3: Cross multiply
    4,707.96x = 7,064.22 × 3,330.16
  4. Step 4: Simplify right side
    4,707.96x = 23,524,982.88
  5. Step 5: Solve for x
    x = 23,524,982.88/4,707.96
  6. Step 6: Final answer
    x = 4,996.85

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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.