Home / 5,727.37-7,903.30-3,209.11

Finding the Fourth Proportional to 5,727.37, 7,903.30 and 3,209.11

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Solution

The fourth proportional to 5,727.37, 7,903.30 and 3,209.11 is: 4,428.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,727.37 : 7,903.30 = 3,209.11 : x
  2. Step 2: Convert to fraction form
    5,727.37/7,903.30 = 3,209.11/x
  3. Step 3: Cross multiply
    5,727.37x = 7,903.30 × 3,209.11
  4. Step 4: Simplify right side
    5,727.37x = 25,362,559.06
  5. Step 5: Solve for x
    x = 25,362,559.06/5,727.37
  6. Step 6: Final answer
    x = 4,428.31

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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.