Home / 6,821.52-10,268.28-5,819.28

Finding the Fourth Proportional to 6,821.52, 10,268.28 and 5,819.28

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Solution

The fourth proportional to 6,821.52, 10,268.28 and 5,819.28 is: 8,759.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,821.52 : 10,268.28 = 5,819.28 : x
  2. Step 2: Convert to fraction form
    6,821.52/10,268.28 = 5,819.28/x
  3. Step 3: Cross multiply
    6,821.52x = 10,268.28 × 5,819.28
  4. Step 4: Simplify right side
    6,821.52x = 59,753,996.44
  5. Step 5: Solve for x
    x = 59,753,996.44/6,821.52
  6. Step 6: Final answer
    x = 8,759.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.