Home / 7,272.32-10,904.22-3,984.53

Finding the Fourth Proportional to 7,272.32, 10,904.22 and 3,984.53

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Solution

The fourth proportional to 7,272.32, 10,904.22 and 3,984.53 is: 5,974.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.32 : 10,904.22 = 3,984.53 : x
  2. Step 2: Convert to fraction form
    7,272.32/10,904.22 = 3,984.53/x
  3. Step 3: Cross multiply
    7,272.32x = 10,904.22 × 3,984.53
  4. Step 4: Simplify right side
    7,272.32x = 43,448,137.20
  5. Step 5: Solve for x
    x = 43,448,137.20/7,272.32
  6. Step 6: Final answer
    x = 5,974.46

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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.