Home / 7,136.52-10,705.58-1,942.44

Finding the Fourth Proportional to 7,136.52, 10,705.58 and 1,942.44

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Solution

The fourth proportional to 7,136.52, 10,705.58 and 1,942.44 is: 2,913.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136.52 : 10,705.58 = 1,942.44 : x
  2. Step 2: Convert to fraction form
    7,136.52/10,705.58 = 1,942.44/x
  3. Step 3: Cross multiply
    7,136.52x = 10,705.58 × 1,942.44
  4. Step 4: Simplify right side
    7,136.52x = 20,794,946.82
  5. Step 5: Solve for x
    x = 20,794,946.82/7,136.52
  6. Step 6: Final answer
    x = 2,913.88

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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.