Home / 5,267.80-7,896.78-2,633.68

Finding the Fourth Proportional to 5,267.80, 7,896.78 and 2,633.68

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Solution

The fourth proportional to 5,267.80, 7,896.78 and 2,633.68 is: 3,948.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,267.80 : 7,896.78 = 2,633.68 : x
  2. Step 2: Convert to fraction form
    5,267.80/7,896.78 = 2,633.68/x
  3. Step 3: Cross multiply
    5,267.80x = 7,896.78 × 2,633.68
  4. Step 4: Simplify right side
    5,267.80x = 20,797,591.55
  5. Step 5: Solve for x
    x = 20,797,591.55/5,267.80
  6. Step 6: Final answer
    x = 3,948.06

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1.5x scale

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.