Home / 7,819.14-11,727.50-2,887.66

Finding the Fourth Proportional to 7,819.14, 11,727.50 and 2,887.66

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Solution

The fourth proportional to 7,819.14, 11,727.50 and 2,887.66 is: 4,331.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,819.14 : 11,727.50 = 2,887.66 : x
  2. Step 2: Convert to fraction form
    7,819.14/11,727.50 = 2,887.66/x
  3. Step 3: Cross multiply
    7,819.14x = 11,727.50 × 2,887.66
  4. Step 4: Simplify right side
    7,819.14x = 33,864,988.89
  5. Step 5: Solve for x
    x = 33,864,988.89/7,819.14
  6. Step 6: Final answer
    x = 4,331.04

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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.