Home / 9,122.36-13,687.25-3,279.42

Finding the Fourth Proportional to 9,122.36, 13,687.25 and 3,279.42

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Solution

The fourth proportional to 9,122.36, 13,687.25 and 3,279.42 is: 4,920.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,122.36 : 13,687.25 = 3,279.42 : x
  2. Step 2: Convert to fraction form
    9,122.36/13,687.25 = 3,279.42/x
  3. Step 3: Cross multiply
    9,122.36x = 13,687.25 × 3,279.42
  4. Step 4: Simplify right side
    9,122.36x = 44,886,225.00
  5. Step 5: Solve for x
    x = 44,886,225.00/9,122.36
  6. Step 6: Final answer
    x = 4,920.46

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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.