Home / 6,683.16-9,221.58-3,889.56

Finding the Fourth Proportional to 6,683.16, 9,221.58 and 3,889.56

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Solution

The fourth proportional to 6,683.16, 9,221.58 and 3,889.56 is: 5,366.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,683.16 : 9,221.58 = 3,889.56 : x
  2. Step 2: Convert to fraction form
    6,683.16/9,221.58 = 3,889.56/x
  3. Step 3: Cross multiply
    6,683.16x = 9,221.58 × 3,889.56
  4. Step 4: Simplify right side
    6,683.16x = 35,867,888.70
  5. Step 5: Solve for x
    x = 35,867,888.70/6,683.16
  6. Step 6: Final answer
    x = 5,366.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.