Home / 8,709.68-13,066.44-2,866.04

Finding the Fourth Proportional to 8,709.68, 13,066.44 and 2,866.04

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Solution

The fourth proportional to 8,709.68, 13,066.44 and 2,866.04 is: 4,299.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,709.68 : 13,066.44 = 2,866.04 : x
  2. Step 2: Convert to fraction form
    8,709.68/13,066.44 = 2,866.04/x
  3. Step 3: Cross multiply
    8,709.68x = 13,066.44 × 2,866.04
  4. Step 4: Simplify right side
    8,709.68x = 37,448,939.70
  5. Step 5: Solve for x
    x = 37,448,939.70/8,709.68
  6. Step 6: Final answer
    x = 4,299.69

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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.