Home / 9,124.41-13,680.84-3,856.71

Finding the Fourth Proportional to 9,124.41, 13,680.84 and 3,856.71

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Solution

The fourth proportional to 9,124.41, 13,680.84 and 3,856.71 is: 5,782.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,124.41 : 13,680.84 = 3,856.71 : x
  2. Step 2: Convert to fraction form
    9,124.41/13,680.84 = 3,856.71/x
  3. Step 3: Cross multiply
    9,124.41x = 13,680.84 × 3,856.71
  4. Step 4: Simplify right side
    9,124.41x = 52,763,032.44
  5. Step 5: Solve for x
    x = 52,763,032.44/9,124.41
  6. Step 6: Final answer
    x = 5,782.62

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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.