Home / 8,435.82-12,645.26-2,885.37

Finding the Fourth Proportional to 8,435.82, 12,645.26 and 2,885.37

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Solution

The fourth proportional to 8,435.82, 12,645.26 and 2,885.37 is: 4,325.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,435.82 : 12,645.26 = 2,885.37 : x
  2. Step 2: Convert to fraction form
    8,435.82/12,645.26 = 2,885.37/x
  3. Step 3: Cross multiply
    8,435.82x = 12,645.26 × 2,885.37
  4. Step 4: Simplify right side
    8,435.82x = 36,486,292.67
  5. Step 5: Solve for x
    x = 36,486,292.67/8,435.82
  6. Step 6: Final answer
    x = 4,325.16

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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.