Home / 6,819.08-9,410.42-3,985.81

Finding the Fourth Proportional to 6,819.08, 9,410.42 and 3,985.81

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Solution

The fourth proportional to 6,819.08, 9,410.42 and 3,985.81 is: 5,500.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,819.08 : 9,410.42 = 3,985.81 : x
  2. Step 2: Convert to fraction form
    6,819.08/9,410.42 = 3,985.81/x
  3. Step 3: Cross multiply
    6,819.08x = 9,410.42 × 3,985.81
  4. Step 4: Simplify right side
    6,819.08x = 37,508,129.78
  5. Step 5: Solve for x
    x = 37,508,129.78/6,819.08
  6. Step 6: Final answer
    x = 5,500.47

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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.