Home / 9,286.34-13,936.41-5,781.45

Finding the Fourth Proportional to 9,286.34, 13,936.41 and 5,781.45

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Solution

The fourth proportional to 9,286.34, 13,936.41 and 5,781.45 is: 8,676.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,286.34 : 13,936.41 = 5,781.45 : x
  2. Step 2: Convert to fraction form
    9,286.34/13,936.41 = 5,781.45/x
  3. Step 3: Cross multiply
    9,286.34x = 13,936.41 × 5,781.45
  4. Step 4: Simplify right side
    9,286.34x = 80,572,657.59
  5. Step 5: Solve for x
    x = 80,572,657.59/9,286.34
  6. Step 6: Final answer
    x = 8,676.48

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1.5x scale

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.