Home / 6,629.09-9,144.41-3,975.93

Finding the Fourth Proportional to 6,629.09, 9,144.41 and 3,975.93

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Solution

The fourth proportional to 6,629.09, 9,144.41 and 3,975.93 is: 5,484.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,629.09 : 9,144.41 = 3,975.93 : x
  2. Step 2: Convert to fraction form
    6,629.09/9,144.41 = 3,975.93/x
  3. Step 3: Cross multiply
    6,629.09x = 9,144.41 × 3,975.93
  4. Step 4: Simplify right side
    6,629.09x = 36,357,514.17
  5. Step 5: Solve for x
    x = 36,357,514.17/6,629.09
  6. Step 6: Final answer
    x = 5,484.54

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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.