Home / 7,504.20-11,256.30-2,824.20

Finding the Fourth Proportional to 7,504.20, 11,256.30 and 2,824.20

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Solution

The fourth proportional to 7,504.20, 11,256.30 and 2,824.20 is: 4,236.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,504.20 : 11,256.30 = 2,824.20 : x
  2. Step 2: Convert to fraction form
    7,504.20/11,256.30 = 2,824.20/x
  3. Step 3: Cross multiply
    7,504.20x = 11,256.30 × 2,824.20
  4. Step 4: Simplify right side
    7,504.20x = 31,790,042.46
  5. Step 5: Solve for x
    x = 31,790,042.46/7,504.20
  6. Step 6: Final answer
    x = 4,236.30

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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.