Home / 8,655.81-11,944.68-4,879.76

Finding the Fourth Proportional to 8,655.81, 11,944.68 and 4,879.76

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Solution

The fourth proportional to 8,655.81, 11,944.68 and 4,879.76 is: 6,733.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,655.81 : 11,944.68 = 4,879.76 : x
  2. Step 2: Convert to fraction form
    8,655.81/11,944.68 = 4,879.76/x
  3. Step 3: Cross multiply
    8,655.81x = 11,944.68 × 4,879.76
  4. Step 4: Simplify right side
    8,655.81x = 58,287,183.24
  5. Step 5: Solve for x
    x = 58,287,183.24/8,655.81
  6. Step 6: Final answer
    x = 6,733.88

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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.