Home / 7,333.30-10,984.32-3,387.79

Finding the Fourth Proportional to 7,333.30, 10,984.32 and 3,387.79

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Solution

The fourth proportional to 7,333.30, 10,984.32 and 3,387.79 is: 5,074.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,333.30 : 10,984.32 = 3,387.79 : x
  2. Step 2: Convert to fraction form
    7,333.30/10,984.32 = 3,387.79/x
  3. Step 3: Cross multiply
    7,333.30x = 10,984.32 × 3,387.79
  4. Step 4: Simplify right side
    7,333.30x = 37,212,569.45
  5. Step 5: Solve for x
    x = 37,212,569.45/7,333.30
  6. Step 6: Final answer
    x = 5,074.46

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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.