Home / 8,755.19-12,081.66-4,977.82

Finding the Fourth Proportional to 8,755.19, 12,081.66 and 4,977.82

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Solution

The fourth proportional to 8,755.19, 12,081.66 and 4,977.82 is: 6,869.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755.19 : 12,081.66 = 4,977.82 : x
  2. Step 2: Convert to fraction form
    8,755.19/12,081.66 = 4,977.82/x
  3. Step 3: Cross multiply
    8,755.19x = 12,081.66 × 4,977.82
  4. Step 4: Simplify right side
    8,755.19x = 60,140,243.48
  5. Step 5: Solve for x
    x = 60,140,243.48/8,755.19
  6. Step 6: Final answer
    x = 6,869.10

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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.