Home / 8,719.06-13,083.98-3,453.19

Finding the Fourth Proportional to 8,719.06, 13,083.98 and 3,453.19

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Solution

The fourth proportional to 8,719.06, 13,083.98 and 3,453.19 is: 5,181.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,719.06 : 13,083.98 = 3,453.19 : x
  2. Step 2: Convert to fraction form
    8,719.06/13,083.98 = 3,453.19/x
  3. Step 3: Cross multiply
    8,719.06x = 13,083.98 × 3,453.19
  4. Step 4: Simplify right side
    8,719.06x = 45,181,468.90
  5. Step 5: Solve for x
    x = 45,181,468.90/8,719.06
  6. Step 6: Final answer
    x = 5,181.92

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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.