Home / 6,800.22-9,381.96-3,815.64

Finding the Fourth Proportional to 6,800.22, 9,381.96 and 3,815.64

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Solution

The fourth proportional to 6,800.22, 9,381.96 and 3,815.64 is: 5,264.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,800.22 : 9,381.96 = 3,815.64 : x
  2. Step 2: Convert to fraction form
    6,800.22/9,381.96 = 3,815.64/x
  3. Step 3: Cross multiply
    6,800.22x = 9,381.96 × 3,815.64
  4. Step 4: Simplify right side
    6,800.22x = 35,798,181.85
  5. Step 5: Solve for x
    x = 35,798,181.85/6,800.22
  6. Step 6: Final answer
    x = 5,264.27

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1.5x scale

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.