Home / 7,514.52-11,272.80-2,834.34

Finding the Fourth Proportional to 7,514.52, 11,272.80 and 2,834.34

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Solution

The fourth proportional to 7,514.52, 11,272.80 and 2,834.34 is: 4,251.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,514.52 : 11,272.80 = 2,834.34 : x
  2. Step 2: Convert to fraction form
    7,514.52/11,272.80 = 2,834.34/x
  3. Step 3: Cross multiply
    7,514.52x = 11,272.80 × 2,834.34
  4. Step 4: Simplify right side
    7,514.52x = 31,950,947.95
  5. Step 5: Solve for x
    x = 31,950,947.95/7,514.52
  6. Step 6: Final answer
    x = 4,251.89

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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.