Home / 8,761.82-13,135.80-4,377.02

Finding the Fourth Proportional to 8,761.82, 13,135.80 and 4,377.02

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Solution

The fourth proportional to 8,761.82, 13,135.80 and 4,377.02 is: 6,562.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,761.82 : 13,135.80 = 4,377.02 : x
  2. Step 2: Convert to fraction form
    8,761.82/13,135.80 = 4,377.02/x
  3. Step 3: Cross multiply
    8,761.82x = 13,135.80 × 4,377.02
  4. Step 4: Simplify right side
    8,761.82x = 57,495,659.32
  5. Step 5: Solve for x
    x = 57,495,659.32/8,761.82
  6. Step 6: Final answer
    x = 6,562.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.