Home / 8,856.41-12,221.38-4,877.43

Finding the Fourth Proportional to 8,856.41, 12,221.38 and 4,877.43

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Solution

The fourth proportional to 8,856.41, 12,221.38 and 4,877.43 is: 6,730.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,856.41 : 12,221.38 = 4,877.43 : x
  2. Step 2: Convert to fraction form
    8,856.41/12,221.38 = 4,877.43/x
  3. Step 3: Cross multiply
    8,856.41x = 12,221.38 × 4,877.43
  4. Step 4: Simplify right side
    8,856.41x = 59,608,885.72
  5. Step 5: Solve for x
    x = 59,608,885.72/8,856.41
  6. Step 6: Final answer
    x = 6,730.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.