Home / 7,311.08-10,965.52-2,693

Finding the Fourth Proportional to 7,311.08, 10,965.52 and 2,693

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Solution

The fourth proportional to 7,311.08, 10,965.52 and 2,693 is: 4,039.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,311.08 : 10,965.52 = 2,693 : x
  2. Step 2: Convert to fraction form
    7,311.08/10,965.52 = 2,693/x
  3. Step 3: Cross multiply
    7,311.08x = 10,965.52 × 2,693
  4. Step 4: Simplify right side
    7,311.08x = 29,530,145.36
  5. Step 5: Solve for x
    x = 29,530,145.36/7,311.08
  6. Step 6: Final answer
    x = 4,039.09

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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.