Home / 8,939.35-12,336.27-4,960.45

Finding the Fourth Proportional to 8,939.35, 12,336.27 and 4,960.45

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Solution

The fourth proportional to 8,939.35, 12,336.27 and 4,960.45 is: 6,845.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,939.35 : 12,336.27 = 4,960.45 : x
  2. Step 2: Convert to fraction form
    8,939.35/12,336.27 = 4,960.45/x
  3. Step 3: Cross multiply
    8,939.35x = 12,336.27 × 4,960.45
  4. Step 4: Simplify right side
    8,939.35x = 61,193,456.56
  5. Step 5: Solve for x
    x = 61,193,456.56/8,939.35
  6. Step 6: Final answer
    x = 6,845.40

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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.