Home / 6,898.80-10,349.10-2,217.66

Finding the Fourth Proportional to 6,898.80, 10,349.10 and 2,217.66

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Solution

The fourth proportional to 6,898.80, 10,349.10 and 2,217.66 is: 3,326.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,898.80 : 10,349.10 = 2,217.66 : x
  2. Step 2: Convert to fraction form
    6,898.80/10,349.10 = 2,217.66/x
  3. Step 3: Cross multiply
    6,898.80x = 10,349.10 × 2,217.66
  4. Step 4: Simplify right side
    6,898.80x = 22,950,785.11
  5. Step 5: Solve for x
    x = 22,950,785.11/6,898.80
  6. Step 6: Final answer
    x = 3,326.78

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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.