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Finding the Fourth Proportional to 7,773.71, 10,727.41 and 4,236.85

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Solution

The fourth proportional to 7,773.71, 10,727.41 and 4,236.85 is: 5,846.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,773.71 : 10,727.41 = 4,236.85 : x
  2. Step 2: Convert to fraction form
    7,773.71/10,727.41 = 4,236.85/x
  3. Step 3: Cross multiply
    7,773.71x = 10,727.41 × 4,236.85
  4. Step 4: Simplify right side
    7,773.71x = 45,450,362.83
  5. Step 5: Solve for x
    x = 45,450,362.83/7,773.71
  6. Step 6: Final answer
    x = 5,846.68

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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.