Home / 5,190.69-7,162.77-2,952.61

Finding the Fourth Proportional to 5,190.69, 7,162.77 and 2,952.61

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Solution

The fourth proportional to 5,190.69, 7,162.77 and 2,952.61 is: 4,074.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.69 : 7,162.77 = 2,952.61 : x
  2. Step 2: Convert to fraction form
    5,190.69/7,162.77 = 2,952.61/x
  3. Step 3: Cross multiply
    5,190.69x = 7,162.77 × 2,952.61
  4. Step 4: Simplify right side
    5,190.69x = 21,148,866.33
  5. Step 5: Solve for x
    x = 21,148,866.33/5,190.69
  6. Step 6: Final answer
    x = 4,074.38

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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.