Home / 7,790.86-11,675.34-3,399.16

Finding the Fourth Proportional to 7,790.86, 11,675.34 and 3,399.16

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Solution

The fourth proportional to 7,790.86, 11,675.34 and 3,399.16 is: 5,093.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790.86 : 11,675.34 = 3,399.16 : x
  2. Step 2: Convert to fraction form
    7,790.86/11,675.34 = 3,399.16/x
  3. Step 3: Cross multiply
    7,790.86x = 11,675.34 × 3,399.16
  4. Step 4: Simplify right side
    7,790.86x = 39,686,348.71
  5. Step 5: Solve for x
    x = 39,686,348.71/7,790.86
  6. Step 6: Final answer
    x = 5,093.96

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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.