Home / 5,745.40-8,618.77-2,048.15

Finding the Fourth Proportional to 5,745.40, 8,618.77 and 2,048.15

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Solution

The fourth proportional to 5,745.40, 8,618.77 and 2,048.15 is: 3,072.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,745.40 : 8,618.77 = 2,048.15 : x
  2. Step 2: Convert to fraction form
    5,745.40/8,618.77 = 2,048.15/x
  3. Step 3: Cross multiply
    5,745.40x = 8,618.77 × 2,048.15
  4. Step 4: Simplify right side
    5,745.40x = 17,652,557.88
  5. Step 5: Solve for x
    x = 17,652,557.88/5,745.40
  6. Step 6: Final answer
    x = 3,072.47

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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.