Home / 7,538.73-10,403.61-4,181.43

Finding the Fourth Proportional to 7,538.73, 10,403.61 and 4,181.43

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Solution

The fourth proportional to 7,538.73, 10,403.61 and 4,181.43 is: 5,770.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.73 : 10,403.61 = 4,181.43 : x
  2. Step 2: Convert to fraction form
    7,538.73/10,403.61 = 4,181.43/x
  3. Step 3: Cross multiply
    7,538.73x = 10,403.61 × 4,181.43
  4. Step 4: Simplify right side
    7,538.73x = 43,502,021.66
  5. Step 5: Solve for x
    x = 43,502,021.66/7,538.73
  6. Step 6: Final answer
    x = 5,770.47

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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.