Home / 4,280.75-5,911.46-4,047.77

Finding the Fourth Proportional to 4,280.75, 5,911.46 and 4,047.77

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Solution

The fourth proportional to 4,280.75, 5,911.46 and 4,047.77 is: 5,589.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280.75 : 5,911.46 = 4,047.77 : x
  2. Step 2: Convert to fraction form
    4,280.75/5,911.46 = 4,047.77/x
  3. Step 3: Cross multiply
    4,280.75x = 5,911.46 × 4,047.77
  4. Step 4: Simplify right side
    4,280.75x = 23,928,202.82
  5. Step 5: Solve for x
    x = 23,928,202.82/4,280.75
  6. Step 6: Final answer
    x = 5,589.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.