Home / 7,405.63-11,110.20-2,211.64

Finding the Fourth Proportional to 7,405.63, 11,110.20 and 2,211.64

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Solution

The fourth proportional to 7,405.63, 11,110.20 and 2,211.64 is: 3,317.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405.63 : 11,110.20 = 2,211.64 : x
  2. Step 2: Convert to fraction form
    7,405.63/11,110.20 = 2,211.64/x
  3. Step 3: Cross multiply
    7,405.63x = 11,110.20 × 2,211.64
  4. Step 4: Simplify right side
    7,405.63x = 24,571,762.73
  5. Step 5: Solve for x
    x = 24,571,762.73/7,405.63
  6. Step 6: Final answer
    x = 3,317.98

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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.