Home / 7,200.41-10,800.62-4,120.25

Finding the Fourth Proportional to 7,200.41, 10,800.62 and 4,120.25

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Solution

The fourth proportional to 7,200.41, 10,800.62 and 4,120.25 is: 6,180.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,200.41 : 10,800.62 = 4,120.25 : x
  2. Step 2: Convert to fraction form
    7,200.41/10,800.62 = 4,120.25/x
  3. Step 3: Cross multiply
    7,200.41x = 10,800.62 × 4,120.25
  4. Step 4: Simplify right side
    7,200.41x = 44,501,233.95
  5. Step 5: Solve for x
    x = 44,501,233.95/7,200.41
  6. Step 6: Final answer
    x = 6,180.38

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1.5x scale

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.