Home / 5,727.48-7,904.01-3,209.56

Finding the Fourth Proportional to 5,727.48, 7,904.01 and 3,209.56

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Solution

The fourth proportional to 5,727.48, 7,904.01 and 3,209.56 is: 4,429.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,727.48 : 7,904.01 = 3,209.56 : x
  2. Step 2: Convert to fraction form
    5,727.48/7,904.01 = 3,209.56/x
  3. Step 3: Cross multiply
    5,727.48x = 7,904.01 × 3,209.56
  4. Step 4: Simplify right side
    5,727.48x = 25,368,386.61
  5. Step 5: Solve for x
    x = 25,368,386.61/5,727.48
  6. Step 6: Final answer
    x = 4,429.24

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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.