Home / 7,861.46-11,792.32-6,294.20

Finding the Fourth Proportional to 7,861.46, 11,792.32 and 6,294.20

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Solution

The fourth proportional to 7,861.46, 11,792.32 and 6,294.20 is: 9,441.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,861.46 : 11,792.32 = 6,294.20 : x
  2. Step 2: Convert to fraction form
    7,861.46/11,792.32 = 6,294.20/x
  3. Step 3: Cross multiply
    7,861.46x = 11,792.32 × 6,294.20
  4. Step 4: Simplify right side
    7,861.46x = 74,223,220.54
  5. Step 5: Solve for x
    x = 74,223,220.54/7,861.46
  6. Step 6: Final answer
    x = 9,441.40

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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.