Home / 6,629.33-9,149.36-4,278.31

Finding the Fourth Proportional to 6,629.33, 9,149.36 and 4,278.31

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Solution

The fourth proportional to 6,629.33, 9,149.36 and 4,278.31 is: 5,904.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,629.33 : 9,149.36 = 4,278.31 : x
  2. Step 2: Convert to fraction form
    6,629.33/9,149.36 = 4,278.31/x
  3. Step 3: Cross multiply
    6,629.33x = 9,149.36 × 4,278.31
  4. Step 4: Simplify right side
    6,629.33x = 39,143,754.12
  5. Step 5: Solve for x
    x = 39,143,754.12/6,629.33
  6. Step 6: Final answer
    x = 5,904.63

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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.