Home / 6,808.82-9,397.78-4,158.45

Finding the Fourth Proportional to 6,808.82, 9,397.78 and 4,158.45

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Solution

The fourth proportional to 6,808.82, 9,397.78 and 4,158.45 is: 5,739.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,808.82 : 9,397.78 = 4,158.45 : x
  2. Step 2: Convert to fraction form
    6,808.82/9,397.78 = 4,158.45/x
  3. Step 3: Cross multiply
    6,808.82x = 9,397.78 × 4,158.45
  4. Step 4: Simplify right side
    6,808.82x = 39,080,198.24
  5. Step 5: Solve for x
    x = 39,080,198.24/6,808.82
  6. Step 6: Final answer
    x = 5,739.65

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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.