Home / 8,418.99-12,628.47-2,575.61

Finding the Fourth Proportional to 8,418.99, 12,628.47 and 2,575.61

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Solution

The fourth proportional to 8,418.99, 12,628.47 and 2,575.61 is: 3,863.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418.99 : 12,628.47 = 2,575.61 : x
  2. Step 2: Convert to fraction form
    8,418.99/12,628.47 = 2,575.61/x
  3. Step 3: Cross multiply
    8,418.99x = 12,628.47 × 2,575.61
  4. Step 4: Simplify right side
    8,418.99x = 32,525,950.47
  5. Step 5: Solve for x
    x = 32,525,950.47/8,418.99
  6. Step 6: Final answer
    x = 3,863.40

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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.