Home / 7,487.28-11,229.48-2,556.41

Finding the Fourth Proportional to 7,487.28, 11,229.48 and 2,556.41

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Solution

The fourth proportional to 7,487.28, 11,229.48 and 2,556.41 is: 3,834.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487.28 : 11,229.48 = 2,556.41 : x
  2. Step 2: Convert to fraction form
    7,487.28/11,229.48 = 2,556.41/x
  3. Step 3: Cross multiply
    7,487.28x = 11,229.48 × 2,556.41
  4. Step 4: Simplify right side
    7,487.28x = 28,707,098.82
  5. Step 5: Solve for x
    x = 28,707,098.82/7,487.28
  6. Step 6: Final answer
    x = 3,834.12

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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.