Home / 8,926.58-13,389.80-2,686.56

Finding the Fourth Proportional to 8,926.58, 13,389.80 and 2,686.56

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Solution

The fourth proportional to 8,926.58, 13,389.80 and 2,686.56 is: 4,029.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,926.58 : 13,389.80 = 2,686.56 : x
  2. Step 2: Convert to fraction form
    8,926.58/13,389.80 = 2,686.56/x
  3. Step 3: Cross multiply
    8,926.58x = 13,389.80 × 2,686.56
  4. Step 4: Simplify right side
    8,926.58x = 35,972,487.66
  5. Step 5: Solve for x
    x = 35,972,487.66/8,926.58
  6. Step 6: Final answer
    x = 4,029.82

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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.