Home / 7,488.20-11,233.30-2,556.60

Finding the Fourth Proportional to 7,488.20, 11,233.30 and 2,556.60

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Solution

The fourth proportional to 7,488.20, 11,233.30 and 2,556.60 is: 3,835.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488.20 : 11,233.30 = 2,556.60 : x
  2. Step 2: Convert to fraction form
    7,488.20/11,233.30 = 2,556.60/x
  3. Step 3: Cross multiply
    7,488.20x = 11,233.30 × 2,556.60
  4. Step 4: Simplify right side
    7,488.20x = 28,719,054.78
  5. Step 5: Solve for x
    x = 28,719,054.78/7,488.20
  6. Step 6: Final answer
    x = 3,835.24

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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.