Home / 5,212.91-7,193.52-2,854.59

Finding the Fourth Proportional to 5,212.91, 7,193.52 and 2,854.59

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Solution

The fourth proportional to 5,212.91, 7,193.52 and 2,854.59 is: 3,939.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.91 : 7,193.52 = 2,854.59 : x
  2. Step 2: Convert to fraction form
    5,212.91/7,193.52 = 2,854.59/x
  3. Step 3: Cross multiply
    5,212.91x = 7,193.52 × 2,854.59
  4. Step 4: Simplify right side
    5,212.91x = 20,534,550.26
  5. Step 5: Solve for x
    x = 20,534,550.26/5,212.91
  6. Step 6: Final answer
    x = 3,939.18

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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.