Home / 5,166.78-7,745.85-2,395.45

Finding the Fourth Proportional to 5,166.78, 7,745.85 and 2,395.45

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Solution

The fourth proportional to 5,166.78, 7,745.85 and 2,395.45 is: 3,591.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,166.78 : 7,745.85 = 2,395.45 : x
  2. Step 2: Convert to fraction form
    5,166.78/7,745.85 = 2,395.45/x
  3. Step 3: Cross multiply
    5,166.78x = 7,745.85 × 2,395.45
  4. Step 4: Simplify right side
    5,166.78x = 18,554,777.02
  5. Step 5: Solve for x
    x = 18,554,777.02/5,166.78
  6. Step 6: Final answer
    x = 3,591.17

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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.