Home / 6,904.60-10,354.20-2,519.80

Finding the Fourth Proportional to 6,904.60, 10,354.20 and 2,519.80

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Solution

The fourth proportional to 6,904.60, 10,354.20 and 2,519.80 is: 3,778.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,904.60 : 10,354.20 = 2,519.80 : x
  2. Step 2: Convert to fraction form
    6,904.60/10,354.20 = 2,519.80/x
  3. Step 3: Cross multiply
    6,904.60x = 10,354.20 × 2,519.80
  4. Step 4: Simplify right side
    6,904.60x = 26,090,513.16
  5. Step 5: Solve for x
    x = 26,090,513.16/6,904.60
  6. Step 6: Final answer
    x = 3,778.71

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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.