Home / 5,551.23-7,659.43-3,755.46

Finding the Fourth Proportional to 5,551.23, 7,659.43 and 3,755.46

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Solution

The fourth proportional to 5,551.23, 7,659.43 and 3,755.46 is: 5,181.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.23 : 7,659.43 = 3,755.46 : x
  2. Step 2: Convert to fraction form
    5,551.23/7,659.43 = 3,755.46/x
  3. Step 3: Cross multiply
    5,551.23x = 7,659.43 × 3,755.46
  4. Step 4: Simplify right side
    5,551.23x = 28,764,682.99
  5. Step 5: Solve for x
    x = 28,764,682.99/5,551.23
  6. Step 6: Final answer
    x = 5,181.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.