Home / 4,084.35-6,126.20-1,310.28

Finding the Fourth Proportional to 4,084.35, 6,126.20 and 1,310.28

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Solution

The fourth proportional to 4,084.35, 6,126.20 and 1,310.28 is: 1,965.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,084.35 : 6,126.20 = 1,310.28 : x
  2. Step 2: Convert to fraction form
    4,084.35/6,126.20 = 1,310.28/x
  3. Step 3: Cross multiply
    4,084.35x = 6,126.20 × 1,310.28
  4. Step 4: Simplify right side
    4,084.35x = 8,027,047.18
  5. Step 5: Solve for x
    x = 8,027,047.18/4,084.35
  6. Step 6: Final answer
    x = 1,965.32

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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.