Home / 4,219.75-5,824.47-2,822.50

Finding the Fourth Proportional to 4,219.75, 5,824.47 and 2,822.50

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Solution

The fourth proportional to 4,219.75, 5,824.47 and 2,822.50 is: 3,895.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219.75 : 5,824.47 = 2,822.50 : x
  2. Step 2: Convert to fraction form
    4,219.75/5,824.47 = 2,822.50/x
  3. Step 3: Cross multiply
    4,219.75x = 5,824.47 × 2,822.50
  4. Step 4: Simplify right side
    4,219.75x = 16,439,566.58
  5. Step 5: Solve for x
    x = 16,439,566.58/4,219.75
  6. Step 6: Final answer
    x = 3,895.86

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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.