Home / 7,514.24-11,276.48-2,897.92

Finding the Fourth Proportional to 7,514.24, 11,276.48 and 2,897.92

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Solution

The fourth proportional to 7,514.24, 11,276.48 and 2,897.92 is: 4,348.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,514.24 : 11,276.48 = 2,897.92 : x
  2. Step 2: Convert to fraction form
    7,514.24/11,276.48 = 2,897.92/x
  3. Step 3: Cross multiply
    7,514.24x = 11,276.48 × 2,897.92
  4. Step 4: Simplify right side
    7,514.24x = 32,678,336.92
  5. Step 5: Solve for x
    x = 32,678,336.92/7,514.24
  6. Step 6: Final answer
    x = 4,348.85

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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.