Home / 7,280.45-10,922.22-4,161.95

Finding the Fourth Proportional to 7,280.45, 10,922.22 and 4,161.95

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Solution

The fourth proportional to 7,280.45, 10,922.22 and 4,161.95 is: 6,243.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280.45 : 10,922.22 = 4,161.95 : x
  2. Step 2: Convert to fraction form
    7,280.45/10,922.22 = 4,161.95/x
  3. Step 3: Cross multiply
    7,280.45x = 10,922.22 × 4,161.95
  4. Step 4: Simplify right side
    7,280.45x = 45,457,678.92
  5. Step 5: Solve for x
    x = 45,457,678.92/7,280.45
  6. Step 6: Final answer
    x = 6,243.81

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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.