Home / 9,102.60-13,653.36-3,179.07

Finding the Fourth Proportional to 9,102.60, 13,653.36 and 3,179.07

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Solution

The fourth proportional to 9,102.60, 13,653.36 and 3,179.07 is: 4,768.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,102.60 : 13,653.36 = 3,179.07 : x
  2. Step 2: Convert to fraction form
    9,102.60/13,653.36 = 3,179.07/x
  3. Step 3: Cross multiply
    9,102.60x = 13,653.36 × 3,179.07
  4. Step 4: Simplify right side
    9,102.60x = 43,404,987.18
  5. Step 5: Solve for x
    x = 43,404,987.18/9,102.60
  6. Step 6: Final answer
    x = 4,768.42

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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.