Home / 7,221.66-10,824.34-5,460.95

Finding the Fourth Proportional to 7,221.66, 10,824.34 and 5,460.95

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Solution

The fourth proportional to 7,221.66, 10,824.34 and 5,460.95 is: 8,185.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,221.66 : 10,824.34 = 5,460.95 : x
  2. Step 2: Convert to fraction form
    7,221.66/10,824.34 = 5,460.95/x
  3. Step 3: Cross multiply
    7,221.66x = 10,824.34 × 5,460.95
  4. Step 4: Simplify right side
    7,221.66x = 59,111,184.18
  5. Step 5: Solve for x
    x = 59,111,184.18/7,221.66
  6. Step 6: Final answer
    x = 8,185.27

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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.