Home / 6,890.84-10,331.17-2,208.13

Finding the Fourth Proportional to 6,890.84, 10,331.17 and 2,208.13

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Solution

The fourth proportional to 6,890.84, 10,331.17 and 2,208.13 is: 3,310.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890.84 : 10,331.17 = 2,208.13 : x
  2. Step 2: Convert to fraction form
    6,890.84/10,331.17 = 2,208.13/x
  3. Step 3: Cross multiply
    6,890.84x = 10,331.17 × 2,208.13
  4. Step 4: Simplify right side
    6,890.84x = 22,812,573.81
  5. Step 5: Solve for x
    x = 22,812,573.81/6,890.84
  6. Step 6: Final answer
    x = 3,310.56

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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.