Home / 8,856.41-13,287.68-3,929.50

Finding the Fourth Proportional to 8,856.41, 13,287.68 and 3,929.50

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Solution

The fourth proportional to 8,856.41, 13,287.68 and 3,929.50 is: 5,895.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,856.41 : 13,287.68 = 3,929.50 : x
  2. Step 2: Convert to fraction form
    8,856.41/13,287.68 = 3,929.50/x
  3. Step 3: Cross multiply
    8,856.41x = 13,287.68 × 3,929.50
  4. Step 4: Simplify right side
    8,856.41x = 52,213,950.26
  5. Step 5: Solve for x
    x = 52,213,950.26/8,856.41
  6. Step 6: Final answer
    x = 5,895.61

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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.