Home / 5,548.43-8,322.41-3,780.80

Finding the Fourth Proportional to 5,548.43, 8,322.41 and 3,780.80

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Solution

The fourth proportional to 5,548.43, 8,322.41 and 3,780.80 is: 5,671.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,548.43 : 8,322.41 = 3,780.80 : x
  2. Step 2: Convert to fraction form
    5,548.43/8,322.41 = 3,780.80/x
  3. Step 3: Cross multiply
    5,548.43x = 8,322.41 × 3,780.80
  4. Step 4: Simplify right side
    5,548.43x = 31,465,397.99
  5. Step 5: Solve for x
    x = 31,465,397.99/5,548.43
  6. Step 6: Final answer
    x = 5,671.05

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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.