Home / 7,137.07-10,705.59-1,942.93

Finding the Fourth Proportional to 7,137.07, 10,705.59 and 1,942.93

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Solution

The fourth proportional to 7,137.07, 10,705.59 and 1,942.93 is: 2,914.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137.07 : 10,705.59 = 1,942.93 : x
  2. Step 2: Convert to fraction form
    7,137.07/10,705.59 = 1,942.93/x
  3. Step 3: Cross multiply
    7,137.07x = 10,705.59 × 1,942.93
  4. Step 4: Simplify right side
    7,137.07x = 20,800,211.98
  5. Step 5: Solve for x
    x = 20,800,211.98/7,137.07
  6. Step 6: Final answer
    x = 2,914.39

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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.