Home / 6,878.27-10,317.98-2,198.95

Finding the Fourth Proportional to 6,878.27, 10,317.98 and 2,198.95

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Solution

The fourth proportional to 6,878.27, 10,317.98 and 2,198.95 is: 3,298.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,878.27 : 10,317.98 = 2,198.95 : x
  2. Step 2: Convert to fraction form
    6,878.27/10,317.98 = 2,198.95/x
  3. Step 3: Cross multiply
    6,878.27x = 10,317.98 × 2,198.95
  4. Step 4: Simplify right side
    6,878.27x = 22,688,701.82
  5. Step 5: Solve for x
    x = 22,688,701.82/6,878.27
  6. Step 6: Final answer
    x = 3,298.60

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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.