Home / 4,661.62-6,431.59-2,644.70

Finding the Fourth Proportional to 4,661.62, 6,431.59 and 2,644.70

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Solution

The fourth proportional to 4,661.62, 6,431.59 and 2,644.70 is: 3,648.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,661.62 : 6,431.59 = 2,644.70 : x
  2. Step 2: Convert to fraction form
    4,661.62/6,431.59 = 2,644.70/x
  3. Step 3: Cross multiply
    4,661.62x = 6,431.59 × 2,644.70
  4. Step 4: Simplify right side
    4,661.62x = 17,009,635.54
  5. Step 5: Solve for x
    x = 17,009,635.54/4,661.62
  6. Step 6: Final answer
    x = 3,648.87

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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.