Home / 7,514.47-11,272.34-2,771.92

Finding the Fourth Proportional to 7,514.47, 11,272.34 and 2,771.92

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Solution

The fourth proportional to 7,514.47, 11,272.34 and 2,771.92 is: 4,158.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,514.47 : 11,272.34 = 2,771.92 : x
  2. Step 2: Convert to fraction form
    7,514.47/11,272.34 = 2,771.92/x
  3. Step 3: Cross multiply
    7,514.47x = 11,272.34 × 2,771.92
  4. Step 4: Simplify right side
    7,514.47x = 31,246,024.69
  5. Step 5: Solve for x
    x = 31,246,024.69/7,514.47
  6. Step 6: Final answer
    x = 4,158.11

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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.