Home / 7,214.58-10,825.47-3,321.72

Finding the Fourth Proportional to 7,214.58, 10,825.47 and 3,321.72

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Solution

The fourth proportional to 7,214.58, 10,825.47 and 3,321.72 is: 4,984.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,214.58 : 10,825.47 = 3,321.72 : x
  2. Step 2: Convert to fraction form
    7,214.58/10,825.47 = 3,321.72/x
  3. Step 3: Cross multiply
    7,214.58x = 10,825.47 × 3,321.72
  4. Step 4: Simplify right side
    7,214.58x = 35,959,180.21
  5. Step 5: Solve for x
    x = 35,959,180.21/7,214.58
  6. Step 6: Final answer
    x = 4,984.24

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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.