Home / 7,448.50-11,172.76-3,173.12

Finding the Fourth Proportional to 7,448.50, 11,172.76 and 3,173.12

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Solution

The fourth proportional to 7,448.50, 11,172.76 and 3,173.12 is: 4,759.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448.50 : 11,172.76 = 3,173.12 : x
  2. Step 2: Convert to fraction form
    7,448.50/11,172.76 = 3,173.12/x
  3. Step 3: Cross multiply
    7,448.50x = 11,172.76 × 3,173.12
  4. Step 4: Simplify right side
    7,448.50x = 35,452,508.21
  5. Step 5: Solve for x
    x = 35,452,508.21/7,448.50
  6. Step 6: Final answer
    x = 4,759.68

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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.