Home / 8,352.05-12,529.87-2,509.11

Finding the Fourth Proportional to 8,352.05, 12,529.87 and 2,509.11

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Solution

The fourth proportional to 8,352.05, 12,529.87 and 2,509.11 is: 3,764.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,352.05 : 12,529.87 = 2,509.11 : x
  2. Step 2: Convert to fraction form
    8,352.05/12,529.87 = 2,509.11/x
  3. Step 3: Cross multiply
    8,352.05x = 12,529.87 × 2,509.11
  4. Step 4: Simplify right side
    8,352.05x = 31,438,815.84
  5. Step 5: Solve for x
    x = 31,438,815.84/8,352.05
  6. Step 6: Final answer
    x = 3,764.21

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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.