Home / 6,936.25-10,398.96-4,709.21

Finding the Fourth Proportional to 6,936.25, 10,398.96 and 4,709.21

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Solution

The fourth proportional to 6,936.25, 10,398.96 and 4,709.21 is: 7,060.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,936.25 : 10,398.96 = 4,709.21 : x
  2. Step 2: Convert to fraction form
    6,936.25/10,398.96 = 4,709.21/x
  3. Step 3: Cross multiply
    6,936.25x = 10,398.96 × 4,709.21
  4. Step 4: Simplify right side
    6,936.25x = 48,970,872.92
  5. Step 5: Solve for x
    x = 48,970,872.92/6,936.25
  6. Step 6: Final answer
    x = 7,060.14

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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.