Home / 4,789.96-7,172.63-2,935.47

Finding the Fourth Proportional to 4,789.96, 7,172.63 and 2,935.47

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Solution

The fourth proportional to 4,789.96, 7,172.63 and 2,935.47 is: 4,395.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,789.96 : 7,172.63 = 2,935.47 : x
  2. Step 2: Convert to fraction form
    4,789.96/7,172.63 = 2,935.47/x
  3. Step 3: Cross multiply
    4,789.96x = 7,172.63 × 2,935.47
  4. Step 4: Simplify right side
    4,789.96x = 21,055,040.19
  5. Step 5: Solve for x
    x = 21,055,040.19/4,789.96
  6. Step 6: Final answer
    x = 4,395.66

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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.