Home / 10,657.44-15,985.49-3,261.20

Finding the Fourth Proportional to 10,657.44, 15,985.49 and 3,261.20

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Solution

The fourth proportional to 10,657.44, 15,985.49 and 3,261.20 is: 4,891.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,657.44 : 15,985.49 = 3,261.20 : x
  2. Step 2: Convert to fraction form
    10,657.44/15,985.49 = 3,261.20/x
  3. Step 3: Cross multiply
    10,657.44x = 15,985.49 × 3,261.20
  4. Step 4: Simplify right side
    10,657.44x = 52,131,783.75
  5. Step 5: Solve for x
    x = 52,131,783.75/10,657.44
  6. Step 6: Final answer
    x = 4,891.59

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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.