Home / 8,078.08-11,147.68-4,933.76

Finding the Fourth Proportional to 8,078.08, 11,147.68 and 4,933.76

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Solution

The fourth proportional to 8,078.08, 11,147.68 and 4,933.76 is: 6,808.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,078.08 : 11,147.68 = 4,933.76 : x
  2. Step 2: Convert to fraction form
    8,078.08/11,147.68 = 4,933.76/x
  3. Step 3: Cross multiply
    8,078.08x = 11,147.68 × 4,933.76
  4. Step 4: Simplify right side
    8,078.08x = 54,999,977.68
  5. Step 5: Solve for x
    x = 54,999,977.68/8,078.08
  6. Step 6: Final answer
    x = 6,808.55

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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.