Home / 4,631.78-6,391.53-2,863.46

Finding the Fourth Proportional to 4,631.78, 6,391.53 and 2,863.46

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Solution

The fourth proportional to 4,631.78, 6,391.53 and 2,863.46 is: 3,951.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,631.78 : 6,391.53 = 2,863.46 : x
  2. Step 2: Convert to fraction form
    4,631.78/6,391.53 = 2,863.46/x
  3. Step 3: Cross multiply
    4,631.78x = 6,391.53 × 2,863.46
  4. Step 4: Simplify right side
    4,631.78x = 18,301,890.49
  5. Step 5: Solve for x
    x = 18,301,890.49/4,631.78
  6. Step 6: Final answer
    x = 3,951.37

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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.