Home / 7,352.20-11,028.30-2,422.60

Finding the Fourth Proportional to 7,352.20, 11,028.30 and 2,422.60

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Solution

The fourth proportional to 7,352.20, 11,028.30 and 2,422.60 is: 3,633.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,352.20 : 11,028.30 = 2,422.60 : x
  2. Step 2: Convert to fraction form
    7,352.20/11,028.30 = 2,422.60/x
  3. Step 3: Cross multiply
    7,352.20x = 11,028.30 × 2,422.60
  4. Step 4: Simplify right side
    7,352.20x = 26,717,159.58
  5. Step 5: Solve for x
    x = 26,717,159.58/7,352.20
  6. Step 6: Final answer
    x = 3,633.90

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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.