Home / 5,464.80-8,197.20-2,177.87

Finding the Fourth Proportional to 5,464.80, 8,197.20 and 2,177.87

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Solution

The fourth proportional to 5,464.80, 8,197.20 and 2,177.87 is: 3,266.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,464.80 : 8,197.20 = 2,177.87 : x
  2. Step 2: Convert to fraction form
    5,464.80/8,197.20 = 2,177.87/x
  3. Step 3: Cross multiply
    5,464.80x = 8,197.20 × 2,177.87
  4. Step 4: Simplify right side
    5,464.80x = 17,852,394.98
  5. Step 5: Solve for x
    x = 17,852,394.98/5,464.80
  6. Step 6: Final answer
    x = 3,266.80

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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.