Home / 5,382.99-7,427.85-2,992.95

Finding the Fourth Proportional to 5,382.99, 7,427.85 and 2,992.95

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Solution

The fourth proportional to 5,382.99, 7,427.85 and 2,992.95 is: 4,129.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,382.99 : 7,427.85 = 2,992.95 : x
  2. Step 2: Convert to fraction form
    5,382.99/7,427.85 = 2,992.95/x
  3. Step 3: Cross multiply
    5,382.99x = 7,427.85 × 2,992.95
  4. Step 4: Simplify right side
    5,382.99x = 22,231,183.66
  5. Step 5: Solve for x
    x = 22,231,183.66/5,382.99
  6. Step 6: Final answer
    x = 4,129.90

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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.