Home / 8,555.22-12,838.59-3,008.61

Finding the Fourth Proportional to 8,555.22, 12,838.59 and 3,008.61

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Solution

The fourth proportional to 8,555.22, 12,838.59 and 3,008.61 is: 4,514.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,555.22 : 12,838.59 = 3,008.61 : x
  2. Step 2: Convert to fraction form
    8,555.22/12,838.59 = 3,008.61/x
  3. Step 3: Cross multiply
    8,555.22x = 12,838.59 × 3,008.61
  4. Step 4: Simplify right side
    8,555.22x = 38,626,310.26
  5. Step 5: Solve for x
    x = 38,626,310.26/8,555.22
  6. Step 6: Final answer
    x = 4,514.94

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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.