Home / 5,559.31-8,333.48-2,639.66

Finding the Fourth Proportional to 5,559.31, 8,333.48 and 2,639.66

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Solution

The fourth proportional to 5,559.31, 8,333.48 and 2,639.66 is: 3,956.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,559.31 : 8,333.48 = 2,639.66 : x
  2. Step 2: Convert to fraction form
    5,559.31/8,333.48 = 2,639.66/x
  3. Step 3: Cross multiply
    5,559.31x = 8,333.48 × 2,639.66
  4. Step 4: Simplify right side
    5,559.31x = 21,997,553.82
  5. Step 5: Solve for x
    x = 21,997,553.82/5,559.31
  6. Step 6: Final answer
    x = 3,956.89

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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.