Home / 7,405.34-11,107.20-2,210

Finding the Fourth Proportional to 7,405.34, 11,107.20 and 2,210

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Solution

The fourth proportional to 7,405.34, 11,107.20 and 2,210 is: 3,314.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405.34 : 11,107.20 = 2,210 : x
  2. Step 2: Convert to fraction form
    7,405.34/11,107.20 = 2,210/x
  3. Step 3: Cross multiply
    7,405.34x = 11,107.20 × 2,210
  4. Step 4: Simplify right side
    7,405.34x = 24,546,912
  5. Step 5: Solve for x
    x = 24,546,912/7,405.34
  6. Step 6: Final answer
    x = 3,314.76

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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.