Home / 8,145.92-11,241.60-4,788.96

Finding the Fourth Proportional to 8,145.92, 11,241.60 and 4,788.96

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Solution

The fourth proportional to 8,145.92, 11,241.60 and 4,788.96 is: 6,608.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145.92 : 11,241.60 = 4,788.96 : x
  2. Step 2: Convert to fraction form
    8,145.92/11,241.60 = 4,788.96/x
  3. Step 3: Cross multiply
    8,145.92x = 11,241.60 × 4,788.96
  4. Step 4: Simplify right side
    8,145.92x = 53,835,572.74
  5. Step 5: Solve for x
    x = 53,835,572.74/8,145.92
  6. Step 6: Final answer
    x = 6,608.90

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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.