Home / 8,856.67-12,222.29-4,877.90

Finding the Fourth Proportional to 8,856.67, 12,222.29 and 4,877.90

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Solution

The fourth proportional to 8,856.67, 12,222.29 and 4,877.90 is: 6,731.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,856.67 : 12,222.29 = 4,877.90 : x
  2. Step 2: Convert to fraction form
    8,856.67/12,222.29 = 4,877.90/x
  3. Step 3: Cross multiply
    8,856.67x = 12,222.29 × 4,877.90
  4. Step 4: Simplify right side
    8,856.67x = 59,619,084.00
  5. Step 5: Solve for x
    x = 59,619,084.00/8,856.67
  6. Step 6: Final answer
    x = 6,731.55

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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.