Home / 8,352.24-12,529.39-2,729.78

Finding the Fourth Proportional to 8,352.24, 12,529.39 and 2,729.78

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Solution

The fourth proportional to 8,352.24, 12,529.39 and 2,729.78 is: 4,095.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,352.24 : 12,529.39 = 2,729.78 : x
  2. Step 2: Convert to fraction form
    8,352.24/12,529.39 = 2,729.78/x
  3. Step 3: Cross multiply
    8,352.24x = 12,529.39 × 2,729.78
  4. Step 4: Simplify right side
    8,352.24x = 34,202,478.23
  5. Step 5: Solve for x
    x = 34,202,478.23/8,352.24
  6. Step 6: Final answer
    x = 4,095.01

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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.