Home / 5,165.73-7,750.83-1,879.29

Finding the Fourth Proportional to 5,165.73, 7,750.83 and 1,879.29

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Solution

The fourth proportional to 5,165.73, 7,750.83 and 1,879.29 is: 2,819.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,165.73 : 7,750.83 = 1,879.29 : x
  2. Step 2: Convert to fraction form
    5,165.73/7,750.83 = 1,879.29/x
  3. Step 3: Cross multiply
    5,165.73x = 7,750.83 × 1,879.29
  4. Step 4: Simplify right side
    5,165.73x = 14,566,057.31
  5. Step 5: Solve for x
    x = 14,566,057.31/5,165.73
  6. Step 6: Final answer
    x = 2,819.75

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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.