Home / 5,477.00-8,220.38-2,556.95

Finding the Fourth Proportional to 5,477.00, 8,220.38 and 2,556.95

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Solution

The fourth proportional to 5,477.00, 8,220.38 and 2,556.95 is: 3,837.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.00 : 8,220.38 = 2,556.95 : x
  2. Step 2: Convert to fraction form
    5,477.00/8,220.38 = 2,556.95/x
  3. Step 3: Cross multiply
    5,477.00x = 8,220.38 × 2,556.95
  4. Step 4: Simplify right side
    5,477.00x = 21,019,046.75
  5. Step 5: Solve for x
    x = 21,019,046.75/5,477.00
  6. Step 6: Final answer
    x = 3,837.70

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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.