Home / 7,008.32-10,512.38-2,081.30

Finding the Fourth Proportional to 7,008.32, 10,512.38 and 2,081.30

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Solution

The fourth proportional to 7,008.32, 10,512.38 and 2,081.30 is: 3,121.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008.32 : 10,512.38 = 2,081.30 : x
  2. Step 2: Convert to fraction form
    7,008.32/10,512.38 = 2,081.30/x
  3. Step 3: Cross multiply
    7,008.32x = 10,512.38 × 2,081.30
  4. Step 4: Simplify right side
    7,008.32x = 21,879,369.14
  5. Step 5: Solve for x
    x = 21,879,369.14/7,008.32
  6. Step 6: Final answer
    x = 3,121.91

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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.