Home / 7,892.60-11,819.59-5,110.92

Finding the Fourth Proportional to 7,892.60, 11,819.59 and 5,110.92

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Solution

The fourth proportional to 7,892.60, 11,819.59 and 5,110.92 is: 7,653.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,892.60 : 11,819.59 = 5,110.92 : x
  2. Step 2: Convert to fraction form
    7,892.60/11,819.59 = 5,110.92/x
  3. Step 3: Cross multiply
    7,892.60x = 11,819.59 × 5,110.92
  4. Step 4: Simplify right side
    7,892.60x = 60,408,966.15
  5. Step 5: Solve for x
    x = 60,408,966.15/7,892.60
  6. Step 6: Final answer
    x = 7,653.88

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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.