Home / 5,453.49-8,181.27-1,755.45

Finding the Fourth Proportional to 5,453.49, 8,181.27 and 1,755.45

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Solution

The fourth proportional to 5,453.49, 8,181.27 and 1,755.45 is: 2,633.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453.49 : 8,181.27 = 1,755.45 : x
  2. Step 2: Convert to fraction form
    5,453.49/8,181.27 = 1,755.45/x
  3. Step 3: Cross multiply
    5,453.49x = 8,181.27 × 1,755.45
  4. Step 4: Simplify right side
    5,453.49x = 14,361,810.42
  5. Step 5: Solve for x
    x = 14,361,810.42/5,453.49
  6. Step 6: Final answer
    x = 2,633.51

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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.