Home / 7,789.44-10,743.36-4,644.96

Finding the Fourth Proportional to 7,789.44, 10,743.36 and 4,644.96

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Solution

The fourth proportional to 7,789.44, 10,743.36 and 4,644.96 is: 6,406.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,789.44 : 10,743.36 = 4,644.96 : x
  2. Step 2: Convert to fraction form
    7,789.44/10,743.36 = 4,644.96/x
  3. Step 3: Cross multiply
    7,789.44x = 10,743.36 × 4,644.96
  4. Step 4: Simplify right side
    7,789.44x = 49,902,477.47
  5. Step 5: Solve for x
    x = 49,902,477.47/7,789.44
  6. Step 6: Final answer
    x = 6,406.43

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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.