Home / 8,820.56-12,172.48-5,043.66

Finding the Fourth Proportional to 8,820.56, 12,172.48 and 5,043.66

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Solution

The fourth proportional to 8,820.56, 12,172.48 and 5,043.66 is: 6,960.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,820.56 : 12,172.48 = 5,043.66 : x
  2. Step 2: Convert to fraction form
    8,820.56/12,172.48 = 5,043.66/x
  3. Step 3: Cross multiply
    8,820.56x = 12,172.48 × 5,043.66
  4. Step 4: Simplify right side
    8,820.56x = 61,393,850.48
  5. Step 5: Solve for x
    x = 61,393,850.48/8,820.56
  6. Step 6: Final answer
    x = 6,960.31

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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.