Home / 4,785.62-6,603.75-2,660.87

Finding the Fourth Proportional to 4,785.62, 6,603.75 and 2,660.87

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Solution

The fourth proportional to 4,785.62, 6,603.75 and 2,660.87 is: 3,671.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785.62 : 6,603.75 = 2,660.87 : x
  2. Step 2: Convert to fraction form
    4,785.62/6,603.75 = 2,660.87/x
  3. Step 3: Cross multiply
    4,785.62x = 6,603.75 × 2,660.87
  4. Step 4: Simplify right side
    4,785.62x = 17,571,736.77
  5. Step 5: Solve for x
    x = 17,571,736.77/4,785.62
  6. Step 6: Final answer
    x = 3,671.78

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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.