Home / 6,905.44-9,529.20-3,921.22

Finding the Fourth Proportional to 6,905.44, 9,529.20 and 3,921.22

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Solution

The fourth proportional to 6,905.44, 9,529.20 and 3,921.22 is: 5,411.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,905.44 : 9,529.20 = 3,921.22 : x
  2. Step 2: Convert to fraction form
    6,905.44/9,529.20 = 3,921.22/x
  3. Step 3: Cross multiply
    6,905.44x = 9,529.20 × 3,921.22
  4. Step 4: Simplify right side
    6,905.44x = 37,366,089.62
  5. Step 5: Solve for x
    x = 37,366,089.62/6,905.44
  6. Step 6: Final answer
    x = 5,411.11

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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.