Home / 7,488.31-11,233.46-2,556.62

Finding the Fourth Proportional to 7,488.31, 11,233.46 and 2,556.62

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Solution

The fourth proportional to 7,488.31, 11,233.46 and 2,556.62 is: 3,835.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488.31 : 11,233.46 = 2,556.62 : x
  2. Step 2: Convert to fraction form
    7,488.31/11,233.46 = 2,556.62/x
  3. Step 3: Cross multiply
    7,488.31x = 11,233.46 × 2,556.62
  4. Step 4: Simplify right side
    7,488.31x = 28,719,675.72
  5. Step 5: Solve for x
    x = 28,719,675.72/7,488.31
  6. Step 6: Final answer
    x = 3,835.27

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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.