Home / 6,891.21-10,336.77-2,508.66

Finding the Fourth Proportional to 6,891.21, 10,336.77 and 2,508.66

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Solution

The fourth proportional to 6,891.21, 10,336.77 and 2,508.66 is: 3,762.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,891.21 : 10,336.77 = 2,508.66 : x
  2. Step 2: Convert to fraction form
    6,891.21/10,336.77 = 2,508.66/x
  3. Step 3: Cross multiply
    6,891.21x = 10,336.77 × 2,508.66
  4. Step 4: Simplify right side
    6,891.21x = 25,931,441.43
  5. Step 5: Solve for x
    x = 25,931,441.43/6,891.21
  6. Step 6: Final answer
    x = 3,762.97

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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.