Home / 8,568.01-12,855.66-3,638.71

Finding the Fourth Proportional to 8,568.01, 12,855.66 and 3,638.71

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Solution

The fourth proportional to 8,568.01, 12,855.66 and 3,638.71 is: 5,459.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,568.01 : 12,855.66 = 3,638.71 : x
  2. Step 2: Convert to fraction form
    8,568.01/12,855.66 = 3,638.71/x
  3. Step 3: Cross multiply
    8,568.01x = 12,855.66 × 3,638.71
  4. Step 4: Simplify right side
    8,568.01x = 46,778,018.60
  5. Step 5: Solve for x
    x = 46,778,018.60/8,568.01
  6. Step 6: Final answer
    x = 5,459.61

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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.