Home / 7,910.68-11,865.77-3,230.74

Finding the Fourth Proportional to 7,910.68, 11,865.77 and 3,230.74

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Solution

The fourth proportional to 7,910.68, 11,865.77 and 3,230.74 is: 4,846.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,910.68 : 11,865.77 = 3,230.74 : x
  2. Step 2: Convert to fraction form
    7,910.68/11,865.77 = 3,230.74/x
  3. Step 3: Cross multiply
    7,910.68x = 11,865.77 × 3,230.74
  4. Step 4: Simplify right side
    7,910.68x = 38,335,179.99
  5. Step 5: Solve for x
    x = 38,335,179.99/7,910.68
  6. Step 6: Final answer
    x = 4,846.00

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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.