Home / 8,856.11-12,221.34-4,877.18

Finding the Fourth Proportional to 8,856.11, 12,221.34 and 4,877.18

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Solution

The fourth proportional to 8,856.11, 12,221.34 and 4,877.18 is: 6,730.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,856.11 : 12,221.34 = 4,877.18 : x
  2. Step 2: Convert to fraction form
    8,856.11/12,221.34 = 4,877.18/x
  3. Step 3: Cross multiply
    8,856.11x = 12,221.34 × 4,877.18
  4. Step 4: Simplify right side
    8,856.11x = 59,605,675.02
  5. Step 5: Solve for x
    x = 59,605,675.02/8,856.11
  6. Step 6: Final answer
    x = 6,730.46

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