Home / 7,906.47-11,861.73-2,977.53

Finding the Fourth Proportional to 7,906.47, 11,861.73 and 2,977.53

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Solution

The fourth proportional to 7,906.47, 11,861.73 and 2,977.53 is: 4,467.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,906.47 : 11,861.73 = 2,977.53 : x
  2. Step 2: Convert to fraction form
    7,906.47/11,861.73 = 2,977.53/x
  3. Step 3: Cross multiply
    7,906.47x = 11,861.73 × 2,977.53
  4. Step 4: Simplify right side
    7,906.47x = 35,318,656.93
  5. Step 5: Solve for x
    x = 35,318,656.93/7,906.47
  6. Step 6: Final answer
    x = 4,467.06

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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.