Home / 5,519.80-8,280.52-1,822.42

Finding the Fourth Proportional to 5,519.80, 8,280.52 and 1,822.42

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Solution

The fourth proportional to 5,519.80, 8,280.52 and 1,822.42 is: 2,733.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.80 : 8,280.52 = 1,822.42 : x
  2. Step 2: Convert to fraction form
    5,519.80/8,280.52 = 1,822.42/x
  3. Step 3: Cross multiply
    5,519.80x = 8,280.52 × 1,822.42
  4. Step 4: Simplify right side
    5,519.80x = 15,090,560.00
  5. Step 5: Solve for x
    x = 15,090,560.00/5,519.80
  6. Step 6: Final answer
    x = 2,733.90

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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.