Home / 7,634.20-10,534.71-4,489.78

Finding the Fourth Proportional to 7,634.20, 10,534.71 and 4,489.78

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Solution

The fourth proportional to 7,634.20, 10,534.71 and 4,489.78 is: 6,195.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,634.20 : 10,534.71 = 4,489.78 : x
  2. Step 2: Convert to fraction form
    7,634.20/10,534.71 = 4,489.78/x
  3. Step 3: Cross multiply
    7,634.20x = 10,534.71 × 4,489.78
  4. Step 4: Simplify right side
    7,634.20x = 47,298,530.26
  5. Step 5: Solve for x
    x = 47,298,530.26/7,634.20
  6. Step 6: Final answer
    x = 6,195.61

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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.