Home / 6,778.42-10,167.99-2,101.66

Finding the Fourth Proportional to 6,778.42, 10,167.99 and 2,101.66

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Solution

The fourth proportional to 6,778.42, 10,167.99 and 2,101.66 is: 3,152.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,778.42 : 10,167.99 = 2,101.66 : x
  2. Step 2: Convert to fraction form
    6,778.42/10,167.99 = 2,101.66/x
  3. Step 3: Cross multiply
    6,778.42x = 10,167.99 × 2,101.66
  4. Step 4: Simplify right side
    6,778.42x = 21,369,678.45
  5. Step 5: Solve for x
    x = 21,369,678.45/6,778.42
  6. Step 6: Final answer
    x = 3,152.60

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1.5x scale

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.