Home / 8,767.40-13,150.80-2,923.86

Finding the Fourth Proportional to 8,767.40, 13,150.80 and 2,923.86

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Solution

The fourth proportional to 8,767.40, 13,150.80 and 2,923.86 is: 4,385.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,767.40 : 13,150.80 = 2,923.86 : x
  2. Step 2: Convert to fraction form
    8,767.40/13,150.80 = 2,923.86/x
  3. Step 3: Cross multiply
    8,767.40x = 13,150.80 × 2,923.86
  4. Step 4: Simplify right side
    8,767.40x = 38,451,098.09
  5. Step 5: Solve for x
    x = 38,451,098.09/8,767.40
  6. Step 6: Final answer
    x = 4,385.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.