Home / 5,221.04-7,205.49-2,863.64

Finding the Fourth Proportional to 5,221.04, 7,205.49 and 2,863.64

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Solution

The fourth proportional to 5,221.04, 7,205.49 and 2,863.64 is: 3,952.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221.04 : 7,205.49 = 2,863.64 : x
  2. Step 2: Convert to fraction form
    5,221.04/7,205.49 = 2,863.64/x
  3. Step 3: Cross multiply
    5,221.04x = 7,205.49 × 2,863.64
  4. Step 4: Simplify right side
    5,221.04x = 20,633,929.38
  5. Step 5: Solve for x
    x = 20,633,929.38/5,221.04
  6. Step 6: Final answer
    x = 3,952.07

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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.