Home / 8,372.73-11,555.75-6,379.52

Finding the Fourth Proportional to 8,372.73, 11,555.75 and 6,379.52

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Solution

The fourth proportional to 8,372.73, 11,555.75 and 6,379.52 is: 8,804.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,372.73 : 11,555.75 = 6,379.52 : x
  2. Step 2: Convert to fraction form
    8,372.73/11,555.75 = 6,379.52/x
  3. Step 3: Cross multiply
    8,372.73x = 11,555.75 × 6,379.52
  4. Step 4: Simplify right side
    8,372.73x = 73,720,138.24
  5. Step 5: Solve for x
    x = 73,720,138.24/8,372.73
  6. Step 6: Final answer
    x = 8,804.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.