Home / 5,240.52-7,860.36-3,047.84

Finding the Fourth Proportional to 5,240.52, 7,860.36 and 3,047.84

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Solution

The fourth proportional to 5,240.52, 7,860.36 and 3,047.84 is: 4,571.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.52 : 7,860.36 = 3,047.84 : x
  2. Step 2: Convert to fraction form
    5,240.52/7,860.36 = 3,047.84/x
  3. Step 3: Cross multiply
    5,240.52x = 7,860.36 × 3,047.84
  4. Step 4: Simplify right side
    5,240.52x = 23,957,119.62
  5. Step 5: Solve for x
    x = 23,957,119.62/5,240.52
  6. Step 6: Final answer
    x = 4,571.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.