Home / 4,660.64-6,431.83-2,671.57

Finding the Fourth Proportional to 4,660.64, 6,431.83 and 2,671.57

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Solution

The fourth proportional to 4,660.64, 6,431.83 and 2,671.57 is: 3,686.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,660.64 : 6,431.83 = 2,671.57 : x
  2. Step 2: Convert to fraction form
    4,660.64/6,431.83 = 2,671.57/x
  3. Step 3: Cross multiply
    4,660.64x = 6,431.83 × 2,671.57
  4. Step 4: Simplify right side
    4,660.64x = 17,183,038.56
  5. Step 5: Solve for x
    x = 17,183,038.56/4,660.64
  6. Step 6: Final answer
    x = 3,686.84

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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.