Home / 8,786.81-13,180.05-2,212.83

Finding the Fourth Proportional to 8,786.81, 13,180.05 and 2,212.83

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Solution

The fourth proportional to 8,786.81, 13,180.05 and 2,212.83 is: 3,319.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,786.81 : 13,180.05 = 2,212.83 : x
  2. Step 2: Convert to fraction form
    8,786.81/13,180.05 = 2,212.83/x
  3. Step 3: Cross multiply
    8,786.81x = 13,180.05 × 2,212.83
  4. Step 4: Simplify right side
    8,786.81x = 29,165,210.04
  5. Step 5: Solve for x
    x = 29,165,210.04/8,786.81
  6. Step 6: Final answer
    x = 3,319.20

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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.