Home / 6,725.95-9,286.38-4,209.08

Finding the Fourth Proportional to 6,725.95, 9,286.38 and 4,209.08

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Solution

The fourth proportional to 6,725.95, 9,286.38 and 4,209.08 is: 5,811.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,725.95 : 9,286.38 = 4,209.08 : x
  2. Step 2: Convert to fraction form
    6,725.95/9,286.38 = 4,209.08/x
  3. Step 3: Cross multiply
    6,725.95x = 9,286.38 × 4,209.08
  4. Step 4: Simplify right side
    6,725.95x = 39,087,069.90
  5. Step 5: Solve for x
    x = 39,087,069.90/6,725.95
  6. Step 6: Final answer
    x = 5,811.38

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.