Home / 4,076.10-6,114.15-2,128.90

Finding the Fourth Proportional to 4,076.10, 6,114.15 and 2,128.90

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Solution

The fourth proportional to 4,076.10, 6,114.15 and 2,128.90 is: 3,193.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,076.10 : 6,114.15 = 2,128.90 : x
  2. Step 2: Convert to fraction form
    4,076.10/6,114.15 = 2,128.90/x
  3. Step 3: Cross multiply
    4,076.10x = 6,114.15 × 2,128.90
  4. Step 4: Simplify right side
    4,076.10x = 13,016,413.94
  5. Step 5: Solve for x
    x = 13,016,413.94/4,076.10
  6. Step 6: Final answer
    x = 3,193.35

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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.