Home / 4,245.90-6,369.14-1,778.23

Finding the Fourth Proportional to 4,245.90, 6,369.14 and 1,778.23

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Solution

The fourth proportional to 4,245.90, 6,369.14 and 1,778.23 is: 2,667.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,245.90 : 6,369.14 = 1,778.23 : x
  2. Step 2: Convert to fraction form
    4,245.90/6,369.14 = 1,778.23/x
  3. Step 3: Cross multiply
    4,245.90x = 6,369.14 × 1,778.23
  4. Step 4: Simplify right side
    4,245.90x = 11,325,795.82
  5. Step 5: Solve for x
    x = 11,325,795.82/4,245.90
  6. Step 6: Final answer
    x = 2,667.47

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Half scale
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Double scale
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Similar ratio
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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.