Home / 6,075-8,383.56-3,422.28

Finding the Fourth Proportional to 6,075, 8,383.56 and 3,422.28

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Solution

The fourth proportional to 6,075, 8,383.56 and 3,422.28 is: 4,722.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,075 : 8,383.56 = 3,422.28 : x
  2. Step 2: Convert to fraction form
    6,075/8,383.56 = 3,422.28/x
  3. Step 3: Cross multiply
    6,075x = 8,383.56 × 3,422.28
  4. Step 4: Simplify right side
    6,075x = 28,690,889.72
  5. Step 5: Solve for x
    x = 28,690,889.72/6,075
  6. Step 6: Final answer
    x = 4,722.78

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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.