Home / 5,551.21-8,327.37-1,853.46

Finding the Fourth Proportional to 5,551.21, 8,327.37 and 1,853.46

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Solution

The fourth proportional to 5,551.21, 8,327.37 and 1,853.46 is: 2,780.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.21 : 8,327.37 = 1,853.46 : x
  2. Step 2: Convert to fraction form
    5,551.21/8,327.37 = 1,853.46/x
  3. Step 3: Cross multiply
    5,551.21x = 8,327.37 × 1,853.46
  4. Step 4: Simplify right side
    5,551.21x = 15,434,447.20
  5. Step 5: Solve for x
    x = 15,434,447.20/5,551.21
  6. Step 6: Final answer
    x = 2,780.38

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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.