Home / 4,977.57-7,463.83-2,785.71

Finding the Fourth Proportional to 4,977.57, 7,463.83 and 2,785.71

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Solution

The fourth proportional to 4,977.57, 7,463.83 and 2,785.71 is: 4,177.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977.57 : 7,463.83 = 2,785.71 : x
  2. Step 2: Convert to fraction form
    4,977.57/7,463.83 = 2,785.71/x
  3. Step 3: Cross multiply
    4,977.57x = 7,463.83 × 2,785.71
  4. Step 4: Simplify right side
    4,977.57x = 20,792,065.87
  5. Step 5: Solve for x
    x = 20,792,065.87/4,977.57
  6. Step 6: Final answer
    x = 4,177.15

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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.