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Finding the Fourth Proportional to 4,880.74, 7,321.05 and 1,183.00

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Solution

The fourth proportional to 4,880.74, 7,321.05 and 1,183.00 is: 1,774.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,880.74 : 7,321.05 = 1,183.00 : x
  2. Step 2: Convert to fraction form
    4,880.74/7,321.05 = 1,183.00/x
  3. Step 3: Cross multiply
    4,880.74x = 7,321.05 × 1,183.00
  4. Step 4: Simplify right side
    4,880.74x = 8,660,812.62
  5. Step 5: Solve for x
    x = 8,660,812.62/4,880.74
  6. Step 6: Final answer
    x = 1,774.49

Related Problems

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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.