Home / 6,890.38-10,336.49-2,208.84

Finding the Fourth Proportional to 6,890.38, 10,336.49 and 2,208.84

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Solution

The fourth proportional to 6,890.38, 10,336.49 and 2,208.84 is: 3,313.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890.38 : 10,336.49 = 2,208.84 : x
  2. Step 2: Convert to fraction form
    6,890.38/10,336.49 = 2,208.84/x
  3. Step 3: Cross multiply
    6,890.38x = 10,336.49 × 2,208.84
  4. Step 4: Simplify right side
    6,890.38x = 22,831,652.57
  5. Step 5: Solve for x
    x = 22,831,652.57/6,890.38
  6. Step 6: Final answer
    x = 3,313.55

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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.