Home / 5,518.82-8,280.06-2,230.13

Finding the Fourth Proportional to 5,518.82, 8,280.06 and 2,230.13

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Solution

The fourth proportional to 5,518.82, 8,280.06 and 2,230.13 is: 3,345.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.82 : 8,280.06 = 2,230.13 : x
  2. Step 2: Convert to fraction form
    5,518.82/8,280.06 = 2,230.13/x
  3. Step 3: Cross multiply
    5,518.82x = 8,280.06 × 2,230.13
  4. Step 4: Simplify right side
    5,518.82x = 18,465,610.21
  5. Step 5: Solve for x
    x = 18,465,610.21/5,518.82
  6. Step 6: Final answer
    x = 3,345.93

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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.