Home / 4,505.05-6,757.57-1,218.23

Finding the Fourth Proportional to 4,505.05, 6,757.57 and 1,218.23

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Solution

The fourth proportional to 4,505.05, 6,757.57 and 1,218.23 is: 1,827.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,505.05 : 6,757.57 = 1,218.23 : x
  2. Step 2: Convert to fraction form
    4,505.05/6,757.57 = 1,218.23/x
  3. Step 3: Cross multiply
    4,505.05x = 6,757.57 × 1,218.23
  4. Step 4: Simplify right side
    4,505.05x = 8,232,237.67
  5. Step 5: Solve for x
    x = 8,232,237.67/4,505.05
  6. Step 6: Final answer
    x = 1,827.34

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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.