Home / 7,669.68-11,505.96-4,202.16

Finding the Fourth Proportional to 7,669.68, 11,505.96 and 4,202.16

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Solution

The fourth proportional to 7,669.68, 11,505.96 and 4,202.16 is: 6,304.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,669.68 : 11,505.96 = 4,202.16 : x
  2. Step 2: Convert to fraction form
    7,669.68/11,505.96 = 4,202.16/x
  3. Step 3: Cross multiply
    7,669.68x = 11,505.96 × 4,202.16
  4. Step 4: Simplify right side
    7,669.68x = 48,349,884.87
  5. Step 5: Solve for x
    x = 48,349,884.87/7,669.68
  6. Step 6: Final answer
    x = 6,304.03

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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.