Home / 6,891.12-10,334.57-2,210.94

Finding the Fourth Proportional to 6,891.12, 10,334.57 and 2,210.94

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Solution

The fourth proportional to 6,891.12, 10,334.57 and 2,210.94 is: 3,315.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,891.12 : 10,334.57 = 2,210.94 : x
  2. Step 2: Convert to fraction form
    6,891.12/10,334.57 = 2,210.94/x
  3. Step 3: Cross multiply
    6,891.12x = 10,334.57 × 2,210.94
  4. Step 4: Simplify right side
    6,891.12x = 22,849,103.14
  5. Step 5: Solve for x
    x = 22,849,103.14/6,891.12
  6. Step 6: Final answer
    x = 3,315.73

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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.