Home / 4,786.56-7,179.03-1,323

Finding the Fourth Proportional to 4,786.56, 7,179.03 and 1,323

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Solution

The fourth proportional to 4,786.56, 7,179.03 and 1,323 is: 1,984.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,786.56 : 7,179.03 = 1,323 : x
  2. Step 2: Convert to fraction form
    4,786.56/7,179.03 = 1,323/x
  3. Step 3: Cross multiply
    4,786.56x = 7,179.03 × 1,323
  4. Step 4: Simplify right side
    4,786.56x = 9,497,856.69
  5. Step 5: Solve for x
    x = 9,497,856.69/4,786.56
  6. Step 6: Final answer
    x = 1,984.28

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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.