Home / 6,143.19-8,477.01-4,156.44

Finding the Fourth Proportional to 6,143.19, 8,477.01 and 4,156.44

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Solution

The fourth proportional to 6,143.19, 8,477.01 and 4,156.44 is: 5,735.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143.19 : 8,477.01 = 4,156.44 : x
  2. Step 2: Convert to fraction form
    6,143.19/8,477.01 = 4,156.44/x
  3. Step 3: Cross multiply
    6,143.19x = 8,477.01 × 4,156.44
  4. Step 4: Simplify right side
    6,143.19x = 35,234,183.44
  5. Step 5: Solve for x
    x = 35,234,183.44/6,143.19
  6. Step 6: Final answer
    x = 5,735.49

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.