Home / 8,238.90-12,358.39-2,395.54

Finding the Fourth Proportional to 8,238.90, 12,358.39 and 2,395.54

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Solution

The fourth proportional to 8,238.90, 12,358.39 and 2,395.54 is: 3,593.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,238.90 : 12,358.39 = 2,395.54 : x
  2. Step 2: Convert to fraction form
    8,238.90/12,358.39 = 2,395.54/x
  3. Step 3: Cross multiply
    8,238.90x = 12,358.39 × 2,395.54
  4. Step 4: Simplify right side
    8,238.90x = 29,605,017.58
  5. Step 5: Solve for x
    x = 29,605,017.58/8,238.90
  6. Step 6: Final answer
    x = 3,593.32

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1.5x scale

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.