Home / 7,131.27-10,697.73-2,974.08

Finding the Fourth Proportional to 7,131.27, 10,697.73 and 2,974.08

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Solution

The fourth proportional to 7,131.27, 10,697.73 and 2,974.08 is: 4,461.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131.27 : 10,697.73 = 2,974.08 : x
  2. Step 2: Convert to fraction form
    7,131.27/10,697.73 = 2,974.08/x
  3. Step 3: Cross multiply
    7,131.27x = 10,697.73 × 2,974.08
  4. Step 4: Simplify right side
    7,131.27x = 31,815,904.84
  5. Step 5: Solve for x
    x = 31,815,904.84/7,131.27
  6. Step 6: Final answer
    x = 4,461.46

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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.