Home / 7,320.88-10,984.20-3,214

Finding the Fourth Proportional to 7,320.88, 10,984.20 and 3,214

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Solution

The fourth proportional to 7,320.88, 10,984.20 and 3,214 is: 4,822.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320.88 : 10,984.20 = 3,214 : x
  2. Step 2: Convert to fraction form
    7,320.88/10,984.20 = 3,214/x
  3. Step 3: Cross multiply
    7,320.88x = 10,984.20 × 3,214
  4. Step 4: Simplify right side
    7,320.88x = 35,303,218.80
  5. Step 5: Solve for x
    x = 35,303,218.80/7,320.88
  6. Step 6: Final answer
    x = 4,822.26

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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.