Home / 7,208.26-10,803.75-3,311.62

Finding the Fourth Proportional to 7,208.26, 10,803.75 and 3,311.62

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Solution

The fourth proportional to 7,208.26, 10,803.75 and 3,311.62 is: 4,963.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,208.26 : 10,803.75 = 3,311.62 : x
  2. Step 2: Convert to fraction form
    7,208.26/10,803.75 = 3,311.62/x
  3. Step 3: Cross multiply
    7,208.26x = 10,803.75 × 3,311.62
  4. Step 4: Simplify right side
    7,208.26x = 35,777,914.58
  5. Step 5: Solve for x
    x = 35,777,914.58/7,208.26
  6. Step 6: Final answer
    x = 4,963.46

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1.5x scale

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.