Home / 8,057.60-11,112.96-5,265.92

Finding the Fourth Proportional to 8,057.60, 11,112.96 and 5,265.92

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Solution

The fourth proportional to 8,057.60, 11,112.96 and 5,265.92 is: 7,262.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,057.60 : 11,112.96 = 5,265.92 : x
  2. Step 2: Convert to fraction form
    8,057.60/11,112.96 = 5,265.92/x
  3. Step 3: Cross multiply
    8,057.60x = 11,112.96 × 5,265.92
  4. Step 4: Simplify right side
    8,057.60x = 58,519,958.32
  5. Step 5: Solve for x
    x = 58,519,958.32/8,057.60
  6. Step 6: Final answer
    x = 7,262.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.