Home / 7,613.84-11,422.24-2,418.72

Finding the Fourth Proportional to 7,613.84, 11,422.24 and 2,418.72

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Solution

The fourth proportional to 7,613.84, 11,422.24 and 2,418.72 is: 3,628.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,613.84 : 11,422.24 = 2,418.72 : x
  2. Step 2: Convert to fraction form
    7,613.84/11,422.24 = 2,418.72/x
  3. Step 3: Cross multiply
    7,613.84x = 11,422.24 × 2,418.72
  4. Step 4: Simplify right side
    7,613.84x = 27,627,200.33
  5. Step 5: Solve for x
    x = 27,627,200.33/7,613.84
  6. Step 6: Final answer
    x = 3,628.55

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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.