Home / 8,474.09-12,711.96-2,629.13

Finding the Fourth Proportional to 8,474.09, 12,711.96 and 2,629.13

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Solution

The fourth proportional to 8,474.09, 12,711.96 and 2,629.13 is: 3,943.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,474.09 : 12,711.96 = 2,629.13 : x
  2. Step 2: Convert to fraction form
    8,474.09/12,711.96 = 2,629.13/x
  3. Step 3: Cross multiply
    8,474.09x = 12,711.96 × 2,629.13
  4. Step 4: Simplify right side
    8,474.09x = 33,421,427.17
  5. Step 5: Solve for x
    x = 33,421,427.17/8,474.09
  6. Step 6: Final answer
    x = 3,943.95

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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.