Home / 9,180.56-13,767.96-3,985.04

Finding the Fourth Proportional to 9,180.56, 13,767.96 and 3,985.04

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Solution

The fourth proportional to 9,180.56, 13,767.96 and 3,985.04 is: 5,976.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,180.56 : 13,767.96 = 3,985.04 : x
  2. Step 2: Convert to fraction form
    9,180.56/13,767.96 = 3,985.04/x
  3. Step 3: Cross multiply
    9,180.56x = 13,767.96 × 3,985.04
  4. Step 4: Simplify right side
    9,180.56x = 54,865,871.32
  5. Step 5: Solve for x
    x = 54,865,871.32/9,180.56
  6. Step 6: Final answer
    x = 5,976.31

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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.