Home / 9,122.05-13,679.41-4,440.69

Finding the Fourth Proportional to 9,122.05, 13,679.41 and 4,440.69

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Solution

The fourth proportional to 9,122.05, 13,679.41 and 4,440.69 is: 6,659.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,122.05 : 13,679.41 = 4,440.69 : x
  2. Step 2: Convert to fraction form
    9,122.05/13,679.41 = 4,440.69/x
  3. Step 3: Cross multiply
    9,122.05x = 13,679.41 × 4,440.69
  4. Step 4: Simplify right side
    9,122.05x = 60,746,019.19
  5. Step 5: Solve for x
    x = 60,746,019.19/9,122.05
  6. Step 6: Final answer
    x = 6,659.25

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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.