Home / 8,238.68-12,358.69-2,395.28

Finding the Fourth Proportional to 8,238.68, 12,358.69 and 2,395.28

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Solution

The fourth proportional to 8,238.68, 12,358.69 and 2,395.28 is: 3,593.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,238.68 : 12,358.69 = 2,395.28 : x
  2. Step 2: Convert to fraction form
    8,238.68/12,358.69 = 2,395.28/x
  3. Step 3: Cross multiply
    8,238.68x = 12,358.69 × 2,395.28
  4. Step 4: Simplify right side
    8,238.68x = 29,602,522.98
  5. Step 5: Solve for x
    x = 29,602,522.98/8,238.68
  6. Step 6: Final answer
    x = 3,593.11

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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.