Home / 8,395.32-12,587.58-3,198.36

Finding the Fourth Proportional to 8,395.32, 12,587.58 and 3,198.36

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Solution

The fourth proportional to 8,395.32, 12,587.58 and 3,198.36 is: 4,795.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,395.32 : 12,587.58 = 3,198.36 : x
  2. Step 2: Convert to fraction form
    8,395.32/12,587.58 = 3,198.36/x
  3. Step 3: Cross multiply
    8,395.32x = 12,587.58 × 3,198.36
  4. Step 4: Simplify right side
    8,395.32x = 40,259,612.37
  5. Step 5: Solve for x
    x = 40,259,612.37/8,395.32
  6. Step 6: Final answer
    x = 4,795.48

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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.