Home / 8,155.86-11,257.31-4,799.75

Finding the Fourth Proportional to 8,155.86, 11,257.31 and 4,799.75

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Solution

The fourth proportional to 8,155.86, 11,257.31 and 4,799.75 is: 6,624.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155.86 : 11,257.31 = 4,799.75 : x
  2. Step 2: Convert to fraction form
    8,155.86/11,257.31 = 4,799.75/x
  3. Step 3: Cross multiply
    8,155.86x = 11,257.31 × 4,799.75
  4. Step 4: Simplify right side
    8,155.86x = 54,032,277.82
  5. Step 5: Solve for x
    x = 54,032,277.82/8,155.86
  6. Step 6: Final answer
    x = 6,624.96

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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.