Home / 7,275.84-10,904.91-3,321.66

Finding the Fourth Proportional to 7,275.84, 10,904.91 and 3,321.66

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Solution

The fourth proportional to 7,275.84, 10,904.91 and 3,321.66 is: 4,978.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275.84 : 10,904.91 = 3,321.66 : x
  2. Step 2: Convert to fraction form
    7,275.84/10,904.91 = 3,321.66/x
  3. Step 3: Cross multiply
    7,275.84x = 10,904.91 × 3,321.66
  4. Step 4: Simplify right side
    7,275.84x = 36,222,403.35
  5. Step 5: Solve for x
    x = 36,222,403.35/7,275.84
  6. Step 6: Final answer
    x = 4,978.45

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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.