Home / 5,745.13-8,616.78-1,850.45

Finding the Fourth Proportional to 5,745.13, 8,616.78 and 1,850.45

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Solution

The fourth proportional to 5,745.13, 8,616.78 and 1,850.45 is: 2,775.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,745.13 : 8,616.78 = 1,850.45 : x
  2. Step 2: Convert to fraction form
    5,745.13/8,616.78 = 1,850.45/x
  3. Step 3: Cross multiply
    5,745.13x = 8,616.78 × 1,850.45
  4. Step 4: Simplify right side
    5,745.13x = 15,944,877.47
  5. Step 5: Solve for x
    x = 15,944,877.47/5,745.13
  6. Step 6: Final answer
    x = 2,775.37

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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.