Home / 7,540.24-11,311.20-2,610.32

Finding the Fourth Proportional to 7,540.24, 11,311.20 and 2,610.32

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Solution

The fourth proportional to 7,540.24, 11,311.20 and 2,610.32 is: 3,915.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,540.24 : 11,311.20 = 2,610.32 : x
  2. Step 2: Convert to fraction form
    7,540.24/11,311.20 = 2,610.32/x
  3. Step 3: Cross multiply
    7,540.24x = 11,311.20 × 2,610.32
  4. Step 4: Simplify right side
    7,540.24x = 29,525,851.58
  5. Step 5: Solve for x
    x = 29,525,851.58/7,540.24
  6. Step 6: Final answer
    x = 3,915.77

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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.