Home / 6,540.74-9,815.27-2,380.34

Finding the Fourth Proportional to 6,540.74, 9,815.27 and 2,380.34

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Solution

The fourth proportional to 6,540.74, 9,815.27 and 2,380.34 is: 3,572.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,540.74 : 9,815.27 = 2,380.34 : x
  2. Step 2: Convert to fraction form
    6,540.74/9,815.27 = 2,380.34/x
  3. Step 3: Cross multiply
    6,540.74x = 9,815.27 × 2,380.34
  4. Step 4: Simplify right side
    6,540.74x = 23,363,618.81
  5. Step 5: Solve for x
    x = 23,363,618.81/6,540.74
  6. Step 6: Final answer
    x = 3,572.02

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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.