Home / 8,417.38-12,627.89-3,223.25

Finding the Fourth Proportional to 8,417.38, 12,627.89 and 3,223.25

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Solution

The fourth proportional to 8,417.38, 12,627.89 and 3,223.25 is: 4,835.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,417.38 : 12,627.89 = 3,223.25 : x
  2. Step 2: Convert to fraction form
    8,417.38/12,627.89 = 3,223.25/x
  3. Step 3: Cross multiply
    8,417.38x = 12,627.89 × 3,223.25
  4. Step 4: Simplify right side
    8,417.38x = 40,702,830.33
  5. Step 5: Solve for x
    x = 40,702,830.33/8,417.38
  6. Step 6: Final answer
    x = 4,835.57

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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.