Home / 6,143.21-9,211.57-2,678.57

Finding the Fourth Proportional to 6,143.21, 9,211.57 and 2,678.57

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Solution

The fourth proportional to 6,143.21, 9,211.57 and 2,678.57 is: 4,016.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143.21 : 9,211.57 = 2,678.57 : x
  2. Step 2: Convert to fraction form
    6,143.21/9,211.57 = 2,678.57/x
  3. Step 3: Cross multiply
    6,143.21x = 9,211.57 × 2,678.57
  4. Step 4: Simplify right side
    6,143.21x = 24,673,775.60
  5. Step 5: Solve for x
    x = 24,673,775.60/6,143.21
  6. Step 6: Final answer
    x = 4,016.43

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1.5x scale

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.