Home / 8,008.48-12,012.72-3,625.84

Finding the Fourth Proportional to 8,008.48, 12,012.72 and 3,625.84

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Solution

The fourth proportional to 8,008.48, 12,012.72 and 3,625.84 is: 5,438.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,008.48 : 12,012.72 = 3,625.84 : x
  2. Step 2: Convert to fraction form
    8,008.48/12,012.72 = 3,625.84/x
  3. Step 3: Cross multiply
    8,008.48x = 12,012.72 × 3,625.84
  4. Step 4: Simplify right side
    8,008.48x = 43,556,200.68
  5. Step 5: Solve for x
    x = 43,556,200.68/8,008.48
  6. Step 6: Final answer
    x = 5,438.76

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Half scale
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Similar ratio
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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.