Home / 9,173.24-13,759.86-3,979

Finding the Fourth Proportional to 9,173.24, 13,759.86 and 3,979

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Solution

The fourth proportional to 9,173.24, 13,759.86 and 3,979 is: 5,968.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,173.24 : 13,759.86 = 3,979 : x
  2. Step 2: Convert to fraction form
    9,173.24/13,759.86 = 3,979/x
  3. Step 3: Cross multiply
    9,173.24x = 13,759.86 × 3,979
  4. Step 4: Simplify right side
    9,173.24x = 54,750,482.94
  5. Step 5: Solve for x
    x = 54,750,482.94/9,173.24
  6. Step 6: Final answer
    x = 5,968.50

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Similar ratio
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1.5x scale

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.