Home / 8,926.58-13,389.87-2,686.61

Finding the Fourth Proportional to 8,926.58, 13,389.87 and 2,686.61

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Solution

The fourth proportional to 8,926.58, 13,389.87 and 2,686.61 is: 4,029.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,926.58 : 13,389.87 = 2,686.61 : x
  2. Step 2: Convert to fraction form
    8,926.58/13,389.87 = 2,686.61/x
  3. Step 3: Cross multiply
    8,926.58x = 13,389.87 × 2,686.61
  4. Step 4: Simplify right side
    8,926.58x = 35,973,358.64
  5. Step 5: Solve for x
    x = 35,973,358.64/8,926.58
  6. Step 6: Final answer
    x = 4,029.92

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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.