Home / 7,320.26-10,966.61-3,618.15

Finding the Fourth Proportional to 7,320.26, 10,966.61 and 3,618.15

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Solution

The fourth proportional to 7,320.26, 10,966.61 and 3,618.15 is: 5,420.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320.26 : 10,966.61 = 3,618.15 : x
  2. Step 2: Convert to fraction form
    7,320.26/10,966.61 = 3,618.15/x
  3. Step 3: Cross multiply
    7,320.26x = 10,966.61 × 3,618.15
  4. Step 4: Simplify right side
    7,320.26x = 39,678,821.88
  5. Step 5: Solve for x
    x = 39,678,821.88/7,320.26
  6. Step 6: Final answer
    x = 5,420.42

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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.