Home / 9,377.35-12,940.97-5,344.09

Finding the Fourth Proportional to 9,377.35, 12,940.97 and 5,344.09

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Solution

The fourth proportional to 9,377.35, 12,940.97 and 5,344.09 is: 7,374.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,377.35 : 12,940.97 = 5,344.09 : x
  2. Step 2: Convert to fraction form
    9,377.35/12,940.97 = 5,344.09/x
  3. Step 3: Cross multiply
    9,377.35x = 12,940.97 × 5,344.09
  4. Step 4: Simplify right side
    9,377.35x = 69,157,708.37
  5. Step 5: Solve for x
    x = 69,157,708.37/9,377.35
  6. Step 6: Final answer
    x = 7,374.97

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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.