Home / 4,341.78-6,515.91-3,771.54

Finding the Fourth Proportional to 4,341.78, 6,515.91 and 3,771.54

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Solution

The fourth proportional to 4,341.78, 6,515.91 and 3,771.54 is: 5,660.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,341.78 : 6,515.91 = 3,771.54 : x
  2. Step 2: Convert to fraction form
    4,341.78/6,515.91 = 3,771.54/x
  3. Step 3: Cross multiply
    4,341.78x = 6,515.91 × 3,771.54
  4. Step 4: Simplify right side
    4,341.78x = 24,575,015.20
  5. Step 5: Solve for x
    x = 24,575,015.20/4,341.78
  6. Step 6: Final answer
    x = 5,660.12

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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.