Home / 7,942.68-11,911.58-5,493.24

Finding the Fourth Proportional to 7,942.68, 11,911.58 and 5,493.24

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Solution

The fourth proportional to 7,942.68, 11,911.58 and 5,493.24 is: 8,238.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,942.68 : 11,911.58 = 5,493.24 : x
  2. Step 2: Convert to fraction form
    7,942.68/11,911.58 = 5,493.24/x
  3. Step 3: Cross multiply
    7,942.68x = 11,911.58 × 5,493.24
  4. Step 4: Simplify right side
    7,942.68x = 65,433,140.25
  5. Step 5: Solve for x
    x = 65,433,140.25/7,942.68
  6. Step 6: Final answer
    x = 8,238.17

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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.