Home / 5,212.60-7,193.22-2,854.72

Finding the Fourth Proportional to 5,212.60, 7,193.22 and 2,854.72

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Solution

The fourth proportional to 5,212.60, 7,193.22 and 2,854.72 is: 3,939.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.60 : 7,193.22 = 2,854.72 : x
  2. Step 2: Convert to fraction form
    5,212.60/7,193.22 = 2,854.72/x
  3. Step 3: Cross multiply
    5,212.60x = 7,193.22 × 2,854.72
  4. Step 4: Simplify right side
    5,212.60x = 20,534,629.00
  5. Step 5: Solve for x
    x = 20,534,629.00/5,212.60
  6. Step 6: Final answer
    x = 3,939.42

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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.