Home / 8,446.92-11,656.39-4,909.86

Finding the Fourth Proportional to 8,446.92, 11,656.39 and 4,909.86

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Solution

The fourth proportional to 8,446.92, 11,656.39 and 4,909.86 is: 6,775.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,446.92 : 11,656.39 = 4,909.86 : x
  2. Step 2: Convert to fraction form
    8,446.92/11,656.39 = 4,909.86/x
  3. Step 3: Cross multiply
    8,446.92x = 11,656.39 × 4,909.86
  4. Step 4: Simplify right side
    8,446.92x = 57,231,243.01
  5. Step 5: Solve for x
    x = 57,231,243.01/8,446.92
  6. Step 6: Final answer
    x = 6,775.40

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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.