Home / 5,645.87-8,470.80-2,528.09

Finding the Fourth Proportional to 5,645.87, 8,470.80 and 2,528.09

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Solution

The fourth proportional to 5,645.87, 8,470.80 and 2,528.09 is: 3,793.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,645.87 : 8,470.80 = 2,528.09 : x
  2. Step 2: Convert to fraction form
    5,645.87/8,470.80 = 2,528.09/x
  3. Step 3: Cross multiply
    5,645.87x = 8,470.80 × 2,528.09
  4. Step 4: Simplify right side
    5,645.87x = 21,414,944.77
  5. Step 5: Solve for x
    x = 21,414,944.77/5,645.87
  6. Step 6: Final answer
    x = 3,793.03

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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.