Home / 6,427.14-9,629.70-3,507.49

Finding the Fourth Proportional to 6,427.14, 9,629.70 and 3,507.49

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Solution

The fourth proportional to 6,427.14, 9,629.70 and 3,507.49 is: 5,255.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,427.14 : 9,629.70 = 3,507.49 : x
  2. Step 2: Convert to fraction form
    6,427.14/9,629.70 = 3,507.49/x
  3. Step 3: Cross multiply
    6,427.14x = 9,629.70 × 3,507.49
  4. Step 4: Simplify right side
    6,427.14x = 33,776,076.45
  5. Step 5: Solve for x
    x = 33,776,076.45/6,427.14
  6. Step 6: Final answer
    x = 5,255.23

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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.