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Finding the Fourth Proportional to 6,150.70, 9,226.05 and 6,085.90

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Solution

The fourth proportional to 6,150.70, 9,226.05 and 6,085.90 is: 9,128.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,150.70 : 9,226.05 = 6,085.90 : x
  2. Step 2: Convert to fraction form
    6,150.70/9,226.05 = 6,085.90/x
  3. Step 3: Cross multiply
    6,150.70x = 9,226.05 × 6,085.90
  4. Step 4: Simplify right side
    6,150.70x = 56,148,817.70
  5. Step 5: Solve for x
    x = 56,148,817.70/6,150.70
  6. Step 6: Final answer
    x = 9,128.85

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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.