Home / 7,180.46-9,906.59-4,489.84

Finding the Fourth Proportional to 7,180.46, 9,906.59 and 4,489.84

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Solution

The fourth proportional to 7,180.46, 9,906.59 and 4,489.84 is: 6,194.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180.46 : 9,906.59 = 4,489.84 : x
  2. Step 2: Convert to fraction form
    7,180.46/9,906.59 = 4,489.84/x
  3. Step 3: Cross multiply
    7,180.46x = 9,906.59 × 4,489.84
  4. Step 4: Simplify right side
    7,180.46x = 44,478,932.06
  5. Step 5: Solve for x
    x = 44,478,932.06/7,180.46
  6. Step 6: Final answer
    x = 6,194.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.