Home / 8,939.07-12,336.34-4,960.22

Finding the Fourth Proportional to 8,939.07, 12,336.34 and 4,960.22

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Solution

The fourth proportional to 8,939.07, 12,336.34 and 4,960.22 is: 6,845.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,939.07 : 12,336.34 = 4,960.22 : x
  2. Step 2: Convert to fraction form
    8,939.07/12,336.34 = 4,960.22/x
  3. Step 3: Cross multiply
    8,939.07x = 12,336.34 × 4,960.22
  4. Step 4: Simplify right side
    8,939.07x = 61,190,886.31
  5. Step 5: Solve for x
    x = 61,190,886.31/8,939.07
  6. Step 6: Final answer
    x = 6,845.33

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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.