Home / 7,836.99-11,758.55-3,451.37

Finding the Fourth Proportional to 7,836.99, 11,758.55 and 3,451.37

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Solution

The fourth proportional to 7,836.99, 11,758.55 and 3,451.37 is: 5,178.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,836.99 : 11,758.55 = 3,451.37 : x
  2. Step 2: Convert to fraction form
    7,836.99/11,758.55 = 3,451.37/x
  3. Step 3: Cross multiply
    7,836.99x = 11,758.55 × 3,451.37
  4. Step 4: Simplify right side
    7,836.99x = 40,583,030.66
  5. Step 5: Solve for x
    x = 40,583,030.66/7,836.99
  6. Step 6: Final answer
    x = 5,178.40

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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.