Home / 5,401.72-8,102.96-1,704.12

Finding the Fourth Proportional to 5,401.72, 8,102.96 and 1,704.12

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Solution

The fourth proportional to 5,401.72, 8,102.96 and 1,704.12 is: 2,556.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,401.72 : 8,102.96 = 1,704.12 : x
  2. Step 2: Convert to fraction form
    5,401.72/8,102.96 = 1,704.12/x
  3. Step 3: Cross multiply
    5,401.72x = 8,102.96 × 1,704.12
  4. Step 4: Simplify right side
    5,401.72x = 13,808,416.20
  5. Step 5: Solve for x
    x = 13,808,416.20/5,401.72
  6. Step 6: Final answer
    x = 2,556.30

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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.