Home / 4,576.09-6,863.19-1,289.21

Finding the Fourth Proportional to 4,576.09, 6,863.19 and 1,289.21

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Solution

The fourth proportional to 4,576.09, 6,863.19 and 1,289.21 is: 1,933.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,576.09 : 6,863.19 = 1,289.21 : x
  2. Step 2: Convert to fraction form
    4,576.09/6,863.19 = 1,289.21/x
  3. Step 3: Cross multiply
    4,576.09x = 6,863.19 × 1,289.21
  4. Step 4: Simplify right side
    4,576.09x = 8,848,058.86
  5. Step 5: Solve for x
    x = 8,848,058.86/4,576.09
  6. Step 6: Final answer
    x = 1,933.54

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Double scale
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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.