Home / 4,084.21-6,126.18-1,311.04

Finding the Fourth Proportional to 4,084.21, 6,126.18 and 1,311.04

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Solution

The fourth proportional to 4,084.21, 6,126.18 and 1,311.04 is: 1,966.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,084.21 : 6,126.18 = 1,311.04 : x
  2. Step 2: Convert to fraction form
    4,084.21/6,126.18 = 1,311.04/x
  3. Step 3: Cross multiply
    4,084.21x = 6,126.18 × 1,311.04
  4. Step 4: Simplify right side
    4,084.21x = 8,031,667.03
  5. Step 5: Solve for x
    x = 8,031,667.03/4,084.21
  6. Step 6: Final answer
    x = 1,966.52

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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.