Home / 4,143.28-6,209.52-2,191.36

Finding the Fourth Proportional to 4,143.28, 6,209.52 and 2,191.36

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Solution

The fourth proportional to 4,143.28, 6,209.52 and 2,191.36 is: 3,284.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,143.28 : 6,209.52 = 2,191.36 : x
  2. Step 2: Convert to fraction form
    4,143.28/6,209.52 = 2,191.36/x
  3. Step 3: Cross multiply
    4,143.28x = 6,209.52 × 2,191.36
  4. Step 4: Simplify right side
    4,143.28x = 13,607,293.75
  5. Step 5: Solve for x
    x = 13,607,293.75/4,143.28
  6. Step 6: Final answer
    x = 3,284.18

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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.