Home / 9,181.34-13,768.56-2,939.70

Finding the Fourth Proportional to 9,181.34, 13,768.56 and 2,939.70

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Solution

The fourth proportional to 9,181.34, 13,768.56 and 2,939.70 is: 4,408.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,181.34 : 13,768.56 = 2,939.70 : x
  2. Step 2: Convert to fraction form
    9,181.34/13,768.56 = 2,939.70/x
  3. Step 3: Cross multiply
    9,181.34x = 13,768.56 × 2,939.70
  4. Step 4: Simplify right side
    9,181.34x = 40,475,435.83
  5. Step 5: Solve for x
    x = 40,475,435.83/9,181.34
  6. Step 6: Final answer
    x = 4,408.45

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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.