Home / 5,745.95-8,616.79-2,047.20

Finding the Fourth Proportional to 5,745.95, 8,616.79 and 2,047.20

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Solution

The fourth proportional to 5,745.95, 8,616.79 and 2,047.20 is: 3,070.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,745.95 : 8,616.79 = 2,047.20 : x
  2. Step 2: Convert to fraction form
    5,745.95/8,616.79 = 2,047.20/x
  3. Step 3: Cross multiply
    5,745.95x = 8,616.79 × 2,047.20
  4. Step 4: Simplify right side
    5,745.95x = 17,640,292.49
  5. Step 5: Solve for x
    x = 17,640,292.49/5,745.95
  6. Step 6: Final answer
    x = 3,070.04

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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.