Home / 6,880.06-10,320.84-2,198.98

Finding the Fourth Proportional to 6,880.06, 10,320.84 and 2,198.98

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Solution

The fourth proportional to 6,880.06, 10,320.84 and 2,198.98 is: 3,298.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,880.06 : 10,320.84 = 2,198.98 : x
  2. Step 2: Convert to fraction form
    6,880.06/10,320.84 = 2,198.98/x
  3. Step 3: Cross multiply
    6,880.06x = 10,320.84 × 2,198.98
  4. Step 4: Simplify right side
    6,880.06x = 22,695,320.74
  5. Step 5: Solve for x
    x = 22,695,320.74/6,880.06
  6. Step 6: Final answer
    x = 3,298.71

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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.