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Finding the Fourth Proportional to 4,444.85, 6,667.27 and 4,174.21

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Solution

The fourth proportional to 4,444.85, 6,667.27 and 4,174.21 is: 6,261.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,444.85 : 6,667.27 = 4,174.21 : x
  2. Step 2: Convert to fraction form
    4,444.85/6,667.27 = 4,174.21/x
  3. Step 3: Cross multiply
    4,444.85x = 6,667.27 × 4,174.21
  4. Step 4: Simplify right side
    4,444.85x = 27,830,593.60
  5. Step 5: Solve for x
    x = 27,830,593.60/4,444.85
  6. Step 6: Final answer
    x = 6,261.31

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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.