Home / 7,538.93-10,404.07-4,181.55

Finding the Fourth Proportional to 7,538.93, 10,404.07 and 4,181.55

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Solution

The fourth proportional to 7,538.93, 10,404.07 and 4,181.55 is: 5,770.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.93 : 10,404.07 = 4,181.55 : x
  2. Step 2: Convert to fraction form
    7,538.93/10,404.07 = 4,181.55/x
  3. Step 3: Cross multiply
    7,538.93x = 10,404.07 × 4,181.55
  4. Step 4: Simplify right side
    7,538.93x = 43,505,112.96
  5. Step 5: Solve for x
    x = 43,505,112.96/7,538.93
  6. Step 6: Final answer
    x = 5,770.72

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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.