Home / 8,418.44-12,628.16-2,575.10

Finding the Fourth Proportional to 8,418.44, 12,628.16 and 2,575.10

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Solution

The fourth proportional to 8,418.44, 12,628.16 and 2,575.10 is: 3,862.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418.44 : 12,628.16 = 2,575.10 : x
  2. Step 2: Convert to fraction form
    8,418.44/12,628.16 = 2,575.10/x
  3. Step 3: Cross multiply
    8,418.44x = 12,628.16 × 2,575.10
  4. Step 4: Simplify right side
    8,418.44x = 32,518,749.68
  5. Step 5: Solve for x
    x = 32,518,749.68/8,418.44
  6. Step 6: Final answer
    x = 3,862.80

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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.