Home / 9,159.82-13,739.74-3,315.06

Finding the Fourth Proportional to 9,159.82, 13,739.74 and 3,315.06

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Solution

The fourth proportional to 9,159.82, 13,739.74 and 3,315.06 is: 4,972.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,159.82 : 13,739.74 = 3,315.06 : x
  2. Step 2: Convert to fraction form
    9,159.82/13,739.74 = 3,315.06/x
  3. Step 3: Cross multiply
    9,159.82x = 13,739.74 × 3,315.06
  4. Step 4: Simplify right side
    9,159.82x = 45,548,062.48
  5. Step 5: Solve for x
    x = 45,548,062.48/9,159.82
  6. Step 6: Final answer
    x = 4,972.59

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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.