Home / 8,926.91-13,391.03-2,686.43

Finding the Fourth Proportional to 8,926.91, 13,391.03 and 2,686.43

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Solution

The fourth proportional to 8,926.91, 13,391.03 and 2,686.43 is: 4,029.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,926.91 : 13,391.03 = 2,686.43 : x
  2. Step 2: Convert to fraction form
    8,926.91/13,391.03 = 2,686.43/x
  3. Step 3: Cross multiply
    8,926.91x = 13,391.03 × 2,686.43
  4. Step 4: Simplify right side
    8,926.91x = 35,973,984.34
  5. Step 5: Solve for x
    x = 35,973,984.34/8,926.91
  6. Step 6: Final answer
    x = 4,029.84

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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.