Home / 4,963.60-7,443.78-2,622.30

Finding the Fourth Proportional to 4,963.60, 7,443.78 and 2,622.30

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Solution

The fourth proportional to 4,963.60, 7,443.78 and 2,622.30 is: 3,932.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,963.60 : 7,443.78 = 2,622.30 : x
  2. Step 2: Convert to fraction form
    4,963.60/7,443.78 = 2,622.30/x
  3. Step 3: Cross multiply
    4,963.60x = 7,443.78 × 2,622.30
  4. Step 4: Simplify right side
    4,963.60x = 19,519,824.29
  5. Step 5: Solve for x
    x = 19,519,824.29/4,963.60
  6. Step 6: Final answer
    x = 3,932.59

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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.