Home / 5,727.08-7,902.82-3,936.13

Finding the Fourth Proportional to 5,727.08, 7,902.82 and 3,936.13

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Solution

The fourth proportional to 5,727.08, 7,902.82 and 3,936.13 is: 5,431.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,727.08 : 7,902.82 = 3,936.13 : x
  2. Step 2: Convert to fraction form
    5,727.08/7,902.82 = 3,936.13/x
  3. Step 3: Cross multiply
    5,727.08x = 7,902.82 × 3,936.13
  4. Step 4: Simplify right side
    5,727.08x = 31,106,526.89
  5. Step 5: Solve for x
    x = 31,106,526.89/5,727.08
  6. Step 6: Final answer
    x = 5,431.48

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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.