Home / 6,211.40-9,317.10-1,829.30

Finding the Fourth Proportional to 6,211.40, 9,317.10 and 1,829.30

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Solution

The fourth proportional to 6,211.40, 9,317.10 and 1,829.30 is: 2,743.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,211.40 : 9,317.10 = 1,829.30 : x
  2. Step 2: Convert to fraction form
    6,211.40/9,317.10 = 1,829.30/x
  3. Step 3: Cross multiply
    6,211.40x = 9,317.10 × 1,829.30
  4. Step 4: Simplify right side
    6,211.40x = 17,043,771.03
  5. Step 5: Solve for x
    x = 17,043,771.03/6,211.40
  6. Step 6: Final answer
    x = 2,743.95

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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.