Home / 6,938.25-10,405.95-2,257.05

Finding the Fourth Proportional to 6,938.25, 10,405.95 and 2,257.05

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Solution

The fourth proportional to 6,938.25, 10,405.95 and 2,257.05 is: 3,385.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,938.25 : 10,405.95 = 2,257.05 : x
  2. Step 2: Convert to fraction form
    6,938.25/10,405.95 = 2,257.05/x
  3. Step 3: Cross multiply
    6,938.25x = 10,405.95 × 2,257.05
  4. Step 4: Simplify right side
    6,938.25x = 23,486,749.45
  5. Step 5: Solve for x
    x = 23,486,749.45/6,938.25
  6. Step 6: Final answer
    x = 3,385.11

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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.