Home / 8,121.32-11,207.41-4,395.32

Finding the Fourth Proportional to 8,121.32, 11,207.41 and 4,395.32

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Solution

The fourth proportional to 8,121.32, 11,207.41 and 4,395.32 is: 6,065.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,121.32 : 11,207.41 = 4,395.32 : x
  2. Step 2: Convert to fraction form
    8,121.32/11,207.41 = 4,395.32/x
  3. Step 3: Cross multiply
    8,121.32x = 11,207.41 × 4,395.32
  4. Step 4: Simplify right side
    8,121.32x = 49,260,097.28
  5. Step 5: Solve for x
    x = 49,260,097.28/8,121.32
  6. Step 6: Final answer
    x = 6,065.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.