Home / 7,238.78-10,859.55-2,493.68

Finding the Fourth Proportional to 7,238.78, 10,859.55 and 2,493.68

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Solution

The fourth proportional to 7,238.78, 10,859.55 and 2,493.68 is: 3,740.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,238.78 : 10,859.55 = 2,493.68 : x
  2. Step 2: Convert to fraction form
    7,238.78/10,859.55 = 2,493.68/x
  3. Step 3: Cross multiply
    7,238.78x = 10,859.55 × 2,493.68
  4. Step 4: Simplify right side
    7,238.78x = 27,080,230.18
  5. Step 5: Solve for x
    x = 27,080,230.18/7,238.78
  6. Step 6: Final answer
    x = 3,740.99

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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.