Home / 4,743.58-7,116.20-1,622.85

Finding the Fourth Proportional to 4,743.58, 7,116.20 and 1,622.85

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Solution

The fourth proportional to 4,743.58, 7,116.20 and 1,622.85 is: 2,434.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,743.58 : 7,116.20 = 1,622.85 : x
  2. Step 2: Convert to fraction form
    4,743.58/7,116.20 = 1,622.85/x
  3. Step 3: Cross multiply
    4,743.58x = 7,116.20 × 1,622.85
  4. Step 4: Simplify right side
    4,743.58x = 11,548,529.23
  5. Step 5: Solve for x
    x = 11,548,529.23/4,743.58
  6. Step 6: Final answer
    x = 2,434.56

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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.