Home / 7,493.68-11,238.12-3,108.80

Finding the Fourth Proportional to 7,493.68, 11,238.12 and 3,108.80

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Solution

The fourth proportional to 7,493.68, 11,238.12 and 3,108.80 is: 4,662.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,493.68 : 11,238.12 = 3,108.80 : x
  2. Step 2: Convert to fraction form
    7,493.68/11,238.12 = 3,108.80/x
  3. Step 3: Cross multiply
    7,493.68x = 11,238.12 × 3,108.80
  4. Step 4: Simplify right side
    7,493.68x = 34,937,067.46
  5. Step 5: Solve for x
    x = 34,937,067.46/7,493.68
  6. Step 6: Final answer
    x = 4,662.20

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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.