Home / 4,103.86-6,154.51-1,181.38

Finding the Fourth Proportional to 4,103.86, 6,154.51 and 1,181.38

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Solution

The fourth proportional to 4,103.86, 6,154.51 and 1,181.38 is: 1,771.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,103.86 : 6,154.51 = 1,181.38 : x
  2. Step 2: Convert to fraction form
    4,103.86/6,154.51 = 1,181.38/x
  3. Step 3: Cross multiply
    4,103.86x = 6,154.51 × 1,181.38
  4. Step 4: Simplify right side
    4,103.86x = 7,270,815.02
  5. Step 5: Solve for x
    x = 7,270,815.02/4,103.86
  6. Step 6: Final answer
    x = 1,771.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.