Home / 6,813.12-10,217.52-2,195.04

Finding the Fourth Proportional to 6,813.12, 10,217.52 and 2,195.04

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Solution

The fourth proportional to 6,813.12, 10,217.52 and 2,195.04 is: 3,291.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,813.12 : 10,217.52 = 2,195.04 : x
  2. Step 2: Convert to fraction form
    6,813.12/10,217.52 = 2,195.04/x
  3. Step 3: Cross multiply
    6,813.12x = 10,217.52 × 2,195.04
  4. Step 4: Simplify right side
    6,813.12x = 22,427,865.10
  5. Step 5: Solve for x
    x = 22,427,865.10/6,813.12
  6. Step 6: Final answer
    x = 3,291.86

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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.