Home / 5,489.15-7,571.95-3,365.71

Finding the Fourth Proportional to 5,489.15, 7,571.95 and 3,365.71

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Solution

The fourth proportional to 5,489.15, 7,571.95 and 3,365.71 is: 4,642.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,489.15 : 7,571.95 = 3,365.71 : x
  2. Step 2: Convert to fraction form
    5,489.15/7,571.95 = 3,365.71/x
  3. Step 3: Cross multiply
    5,489.15x = 7,571.95 × 3,365.71
  4. Step 4: Simplify right side
    5,489.15x = 25,484,987.83
  5. Step 5: Solve for x
    x = 25,484,987.83/5,489.15
  6. Step 6: Final answer
    x = 4,642.79

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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.