Home / 6,820.91-10,230.67-4,288.11

Finding the Fourth Proportional to 6,820.91, 10,230.67 and 4,288.11

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Solution

The fourth proportional to 6,820.91, 10,230.67 and 4,288.11 is: 6,431.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,820.91 : 10,230.67 = 4,288.11 : x
  2. Step 2: Convert to fraction form
    6,820.91/10,230.67 = 4,288.11/x
  3. Step 3: Cross multiply
    6,820.91x = 10,230.67 × 4,288.11
  4. Step 4: Simplify right side
    6,820.91x = 43,870,205.33
  5. Step 5: Solve for x
    x = 43,870,205.33/6,820.91
  6. Step 6: Final answer
    x = 6,431.72

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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.