Home / 4,485.79-6,191-2,622.79

Finding the Fourth Proportional to 4,485.79, 6,191 and 2,622.79

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Solution

The fourth proportional to 4,485.79, 6,191 and 2,622.79 is: 3,619.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,485.79 : 6,191 = 2,622.79 : x
  2. Step 2: Convert to fraction form
    4,485.79/6,191 = 2,622.79/x
  3. Step 3: Cross multiply
    4,485.79x = 6,191 × 2,622.79
  4. Step 4: Simplify right side
    4,485.79x = 16,237,692.89
  5. Step 5: Solve for x
    x = 16,237,692.89/4,485.79
  6. Step 6: Final answer
    x = 3,619.81

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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.