Home / 6,783.19-10,174.69-4,115.42

Finding the Fourth Proportional to 6,783.19, 10,174.69 and 4,115.42

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Solution

The fourth proportional to 6,783.19, 10,174.69 and 4,115.42 is: 6,173.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,783.19 : 10,174.69 = 4,115.42 : x
  2. Step 2: Convert to fraction form
    6,783.19/10,174.69 = 4,115.42/x
  3. Step 3: Cross multiply
    6,783.19x = 10,174.69 × 4,115.42
  4. Step 4: Simplify right side
    6,783.19x = 41,873,061.56
  5. Step 5: Solve for x
    x = 41,873,061.56/6,783.19
  6. Step 6: Final answer
    x = 6,173.06

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Double scale
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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.