Home / 4,171.29-6,255.91-1,209.12

Finding the Fourth Proportional to 4,171.29, 6,255.91 and 1,209.12

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Solution

The fourth proportional to 4,171.29, 6,255.91 and 1,209.12 is: 1,813.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,171.29 : 6,255.91 = 1,209.12 : x
  2. Step 2: Convert to fraction form
    4,171.29/6,255.91 = 1,209.12/x
  3. Step 3: Cross multiply
    4,171.29x = 6,255.91 × 1,209.12
  4. Step 4: Simplify right side
    4,171.29x = 7,564,145.90
  5. Step 5: Solve for x
    x = 7,564,145.90/4,171.29
  6. Step 6: Final answer
    x = 1,813.38

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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.