Home / 9,322.63-13,989.42-3,479.69

Finding the Fourth Proportional to 9,322.63, 13,989.42 and 3,479.69

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Solution

The fourth proportional to 9,322.63, 13,989.42 and 3,479.69 is: 5,221.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,322.63 : 13,989.42 = 3,479.69 : x
  2. Step 2: Convert to fraction form
    9,322.63/13,989.42 = 3,479.69/x
  3. Step 3: Cross multiply
    9,322.63x = 13,989.42 × 3,479.69
  4. Step 4: Simplify right side
    9,322.63x = 48,678,879.85
  5. Step 5: Solve for x
    x = 48,678,879.85/9,322.63
  6. Step 6: Final answer
    x = 5,221.58

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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.