Home / 7,414.08-11,120.88-2,220

Finding the Fourth Proportional to 7,414.08, 11,120.88 and 2,220

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Solution

The fourth proportional to 7,414.08, 11,120.88 and 2,220 is: 3,329.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,414.08 : 11,120.88 = 2,220 : x
  2. Step 2: Convert to fraction form
    7,414.08/11,120.88 = 2,220/x
  3. Step 3: Cross multiply
    7,414.08x = 11,120.88 × 2,220
  4. Step 4: Simplify right side
    7,414.08x = 24,688,353.60
  5. Step 5: Solve for x
    x = 24,688,353.60/7,414.08
  6. Step 6: Final answer
    x = 3,329.93

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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.