Home / 5,445.90-8,168.85-1,550.34

Finding the Fourth Proportional to 5,445.90, 8,168.85 and 1,550.34

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Solution

The fourth proportional to 5,445.90, 8,168.85 and 1,550.34 is: 2,325.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.90 : 8,168.85 = 1,550.34 : x
  2. Step 2: Convert to fraction form
    5,445.90/8,168.85 = 1,550.34/x
  3. Step 3: Cross multiply
    5,445.90x = 8,168.85 × 1,550.34
  4. Step 4: Simplify right side
    5,445.90x = 12,664,494.91
  5. Step 5: Solve for x
    x = 12,664,494.91/5,445.90
  6. Step 6: Final answer
    x = 2,325.51

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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.