Home / 6,239.69-9,367.71-4,172.98

Finding the Fourth Proportional to 6,239.69, 9,367.71 and 4,172.98

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Solution

The fourth proportional to 6,239.69, 9,367.71 and 4,172.98 is: 6,264.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.69 : 9,367.71 = 4,172.98 : x
  2. Step 2: Convert to fraction form
    6,239.69/9,367.71 = 4,172.98/x
  3. Step 3: Cross multiply
    6,239.69x = 9,367.71 × 4,172.98
  4. Step 4: Simplify right side
    6,239.69x = 39,091,243.06
  5. Step 5: Solve for x
    x = 39,091,243.06/6,239.69
  6. Step 6: Final answer
    x = 6,264.93

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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.