Home / 7,738.99-11,608.47-2,808.62

Finding the Fourth Proportional to 7,738.99, 11,608.47 and 2,808.62

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Solution

The fourth proportional to 7,738.99, 11,608.47 and 2,808.62 is: 4,212.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,738.99 : 11,608.47 = 2,808.62 : x
  2. Step 2: Convert to fraction form
    7,738.99/11,608.47 = 2,808.62/x
  3. Step 3: Cross multiply
    7,738.99x = 11,608.47 × 2,808.62
  4. Step 4: Simplify right side
    7,738.99x = 32,603,781.01
  5. Step 5: Solve for x
    x = 32,603,781.01/7,738.99
  6. Step 6: Final answer
    x = 4,212.92

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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.