Home / 4,977.77-6,868.44-2,824.21

Finding the Fourth Proportional to 4,977.77, 6,868.44 and 2,824.21

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Solution

The fourth proportional to 4,977.77, 6,868.44 and 2,824.21 is: 3,896.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977.77 : 6,868.44 = 2,824.21 : x
  2. Step 2: Convert to fraction form
    4,977.77/6,868.44 = 2,824.21/x
  3. Step 3: Cross multiply
    4,977.77x = 6,868.44 × 2,824.21
  4. Step 4: Simplify right side
    4,977.77x = 19,397,916.93
  5. Step 5: Solve for x
    x = 19,397,916.93/4,977.77
  6. Step 6: Final answer
    x = 3,896.91

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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.