Home / 7,977.29-11,958.11-2,975.99

Finding the Fourth Proportional to 7,977.29, 11,958.11 and 2,975.99

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Solution

The fourth proportional to 7,977.29, 11,958.11 and 2,975.99 is: 4,461.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,977.29 : 11,958.11 = 2,975.99 : x
  2. Step 2: Convert to fraction form
    7,977.29/11,958.11 = 2,975.99/x
  3. Step 3: Cross multiply
    7,977.29x = 11,958.11 × 2,975.99
  4. Step 4: Simplify right side
    7,977.29x = 35,587,141.11
  5. Step 5: Solve for x
    x = 35,587,141.11/7,977.29
  6. Step 6: Final answer
    x = 4,461.06

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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.