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Finding the Fourth Proportional to 5,453, 8,179.32 and 1,755.44

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Solution

The fourth proportional to 5,453, 8,179.32 and 1,755.44 is: 2,633.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453 : 8,179.32 = 1,755.44 : x
  2. Step 2: Convert to fraction form
    5,453/8,179.32 = 1,755.44/x
  3. Step 3: Cross multiply
    5,453x = 8,179.32 × 1,755.44
  4. Step 4: Simplify right side
    5,453x = 14,358,305.50
  5. Step 5: Solve for x
    x = 14,358,305.50/5,453
  6. Step 6: Final answer
    x = 2,633.10

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Double scale
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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.