Home / 5,221.55-7,205.94-2,863.77

Finding the Fourth Proportional to 5,221.55, 7,205.94 and 2,863.77

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Solution

The fourth proportional to 5,221.55, 7,205.94 and 2,863.77 is: 3,952.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221.55 : 7,205.94 = 2,863.77 : x
  2. Step 2: Convert to fraction form
    5,221.55/7,205.94 = 2,863.77/x
  3. Step 3: Cross multiply
    5,221.55x = 7,205.94 × 2,863.77
  4. Step 4: Simplify right side
    5,221.55x = 20,636,154.79
  5. Step 5: Solve for x
    x = 20,636,154.79/5,221.55
  6. Step 6: Final answer
    x = 3,952.12

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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.