Home / 8,177.91-11,289.32-4,819.59

Finding the Fourth Proportional to 8,177.91, 11,289.32 and 4,819.59

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Solution

The fourth proportional to 8,177.91, 11,289.32 and 4,819.59 is: 6,653.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,177.91 : 11,289.32 = 4,819.59 : x
  2. Step 2: Convert to fraction form
    8,177.91/11,289.32 = 4,819.59/x
  3. Step 3: Cross multiply
    8,177.91x = 11,289.32 × 4,819.59
  4. Step 4: Simplify right side
    8,177.91x = 54,409,869.68
  5. Step 5: Solve for x
    x = 54,409,869.68/8,177.91
  6. Step 6: Final answer
    x = 6,653.27

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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.