Home / 5,252.95-7,879.47-2,132.02

Finding the Fourth Proportional to 5,252.95, 7,879.47 and 2,132.02

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Solution

The fourth proportional to 5,252.95, 7,879.47 and 2,132.02 is: 3,198.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.95 : 7,879.47 = 2,132.02 : x
  2. Step 2: Convert to fraction form
    5,252.95/7,879.47 = 2,132.02/x
  3. Step 3: Cross multiply
    5,252.95x = 7,879.47 × 2,132.02
  4. Step 4: Simplify right side
    5,252.95x = 16,799,187.63
  5. Step 5: Solve for x
    x = 16,799,187.63/5,252.95
  6. Step 6: Final answer
    x = 3,198.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.