Home / 5,905.56-8,857.86-3,307.80

Finding the Fourth Proportional to 5,905.56, 8,857.86 and 3,307.80

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Solution

The fourth proportional to 5,905.56, 8,857.86 and 3,307.80 is: 4,961.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905.56 : 8,857.86 = 3,307.80 : x
  2. Step 2: Convert to fraction form
    5,905.56/8,857.86 = 3,307.80/x
  3. Step 3: Cross multiply
    5,905.56x = 8,857.86 × 3,307.80
  4. Step 4: Simplify right side
    5,905.56x = 29,300,029.31
  5. Step 5: Solve for x
    x = 29,300,029.31/5,905.56
  6. Step 6: Final answer
    x = 4,961.43

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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.