Home / 9,079.36-13,621.66-3,236.42

Finding the Fourth Proportional to 9,079.36, 13,621.66 and 3,236.42

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Solution

The fourth proportional to 9,079.36, 13,621.66 and 3,236.42 is: 4,855.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,079.36 : 13,621.66 = 3,236.42 : x
  2. Step 2: Convert to fraction form
    9,079.36/13,621.66 = 3,236.42/x
  3. Step 3: Cross multiply
    9,079.36x = 13,621.66 × 3,236.42
  4. Step 4: Simplify right side
    9,079.36x = 44,085,412.86
  5. Step 5: Solve for x
    x = 44,085,412.86/9,079.36
  6. Step 6: Final answer
    x = 4,855.56

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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.