Home / 4,684.10-6,454.20-3,189.38

Finding the Fourth Proportional to 4,684.10, 6,454.20 and 3,189.38

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Solution

The fourth proportional to 4,684.10, 6,454.20 and 3,189.38 is: 4,394.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,684.10 : 6,454.20 = 3,189.38 : x
  2. Step 2: Convert to fraction form
    4,684.10/6,454.20 = 3,189.38/x
  3. Step 3: Cross multiply
    4,684.10x = 6,454.20 × 3,189.38
  4. Step 4: Simplify right side
    4,684.10x = 20,584,896.40
  5. Step 5: Solve for x
    x = 20,584,896.40/4,684.10
  6. Step 6: Final answer
    x = 4,394.63

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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.