Home / 7,538.07-10,403.16-4,181.94

Finding the Fourth Proportional to 7,538.07, 10,403.16 and 4,181.94

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Solution

The fourth proportional to 7,538.07, 10,403.16 and 4,181.94 is: 5,771.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.07 : 10,403.16 = 4,181.94 : x
  2. Step 2: Convert to fraction form
    7,538.07/10,403.16 = 4,181.94/x
  3. Step 3: Cross multiply
    7,538.07x = 10,403.16 × 4,181.94
  4. Step 4: Simplify right side
    7,538.07x = 43,505,390.93
  5. Step 5: Solve for x
    x = 43,505,390.93/7,538.07
  6. Step 6: Final answer
    x = 5,771.42

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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.