Home / 6,936.50-10,405.79-2,553.62

Finding the Fourth Proportional to 6,936.50, 10,405.79 and 2,553.62

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Solution

The fourth proportional to 6,936.50, 10,405.79 and 2,553.62 is: 3,830.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,936.50 : 10,405.79 = 2,553.62 : x
  2. Step 2: Convert to fraction form
    6,936.50/10,405.79 = 2,553.62/x
  3. Step 3: Cross multiply
    6,936.50x = 10,405.79 × 2,553.62
  4. Step 4: Simplify right side
    6,936.50x = 26,572,420.69
  5. Step 5: Solve for x
    x = 26,572,420.69/6,936.50
  6. Step 6: Final answer
    x = 3,830.81

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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.