Home / 8,682.18-13,024.08-2,839.38

Finding the Fourth Proportional to 8,682.18, 13,024.08 and 2,839.38

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Solution

The fourth proportional to 8,682.18, 13,024.08 and 2,839.38 is: 4,259.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.18 : 13,024.08 = 2,839.38 : x
  2. Step 2: Convert to fraction form
    8,682.18/13,024.08 = 2,839.38/x
  3. Step 3: Cross multiply
    8,682.18x = 13,024.08 × 2,839.38
  4. Step 4: Simplify right side
    8,682.18x = 36,980,312.27
  5. Step 5: Solve for x
    x = 36,980,312.27/8,682.18
  6. Step 6: Final answer
    x = 4,259.33

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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.