Home / 6,734.96-9,294-3,940.40

Finding the Fourth Proportional to 6,734.96, 9,294 and 3,940.40

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Solution

The fourth proportional to 6,734.96, 9,294 and 3,940.40 is: 5,437.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,734.96 : 9,294 = 3,940.40 : x
  2. Step 2: Convert to fraction form
    6,734.96/9,294 = 3,940.40/x
  3. Step 3: Cross multiply
    6,734.96x = 9,294 × 3,940.40
  4. Step 4: Simplify right side
    6,734.96x = 36,622,077.60
  5. Step 5: Solve for x
    x = 36,622,077.60/6,734.96
  6. Step 6: Final answer
    x = 5,437.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.