Home / 5,239.98-7,852.47-3,942.36

Finding the Fourth Proportional to 5,239.98, 7,852.47 and 3,942.36

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Solution

The fourth proportional to 5,239.98, 7,852.47 and 3,942.36 is: 5,907.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.98 : 7,852.47 = 3,942.36 : x
  2. Step 2: Convert to fraction form
    5,239.98/7,852.47 = 3,942.36/x
  3. Step 3: Cross multiply
    5,239.98x = 7,852.47 × 3,942.36
  4. Step 4: Simplify right side
    5,239.98x = 30,957,263.63
  5. Step 5: Solve for x
    x = 30,957,263.63/5,239.98
  6. Step 6: Final answer
    x = 5,907.90

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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.