Home / 8,684.34-13,023.26-2,839.38

Finding the Fourth Proportional to 8,684.34, 13,023.26 and 2,839.38

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Solution

The fourth proportional to 8,684.34, 13,023.26 and 2,839.38 is: 4,258.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,684.34 : 13,023.26 = 2,839.38 : x
  2. Step 2: Convert to fraction form
    8,684.34/13,023.26 = 2,839.38/x
  3. Step 3: Cross multiply
    8,684.34x = 13,023.26 × 2,839.38
  4. Step 4: Simplify right side
    8,684.34x = 36,977,983.98
  5. Step 5: Solve for x
    x = 36,977,983.98/8,684.34
  6. Step 6: Final answer
    x = 4,258.01

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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.