Home / 5,221.78-7,206.24-2,863.93

Finding the Fourth Proportional to 5,221.78, 7,206.24 and 2,863.93

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Solution

The fourth proportional to 5,221.78, 7,206.24 and 2,863.93 is: 3,952.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221.78 : 7,206.24 = 2,863.93 : x
  2. Step 2: Convert to fraction form
    5,221.78/7,206.24 = 2,863.93/x
  3. Step 3: Cross multiply
    5,221.78x = 7,206.24 × 2,863.93
  4. Step 4: Simplify right side
    5,221.78x = 20,638,166.92
  5. Step 5: Solve for x
    x = 20,638,166.92/5,221.78
  6. Step 6: Final answer
    x = 3,952.32

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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.