Home / 6,878.82-10,315.08-2,197.92

Finding the Fourth Proportional to 6,878.82, 10,315.08 and 2,197.92

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Solution

The fourth proportional to 6,878.82, 10,315.08 and 2,197.92 is: 3,295.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,878.82 : 10,315.08 = 2,197.92 : x
  2. Step 2: Convert to fraction form
    6,878.82/10,315.08 = 2,197.92/x
  3. Step 3: Cross multiply
    6,878.82x = 10,315.08 × 2,197.92
  4. Step 4: Simplify right side
    6,878.82x = 22,671,720.63
  5. Step 5: Solve for x
    x = 22,671,720.63/6,878.82
  6. Step 6: Final answer
    x = 3,295.87

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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.