Home / 7,106.42-10,660.05-2,946.73

Finding the Fourth Proportional to 7,106.42, 10,660.05 and 2,946.73

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Solution

The fourth proportional to 7,106.42, 10,660.05 and 2,946.73 is: 4,420.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,106.42 : 10,660.05 = 2,946.73 : x
  2. Step 2: Convert to fraction form
    7,106.42/10,660.05 = 2,946.73/x
  3. Step 3: Cross multiply
    7,106.42x = 10,660.05 × 2,946.73
  4. Step 4: Simplify right side
    7,106.42x = 31,412,289.14
  5. Step 5: Solve for x
    x = 31,412,289.14/7,106.42
  6. Step 6: Final answer
    x = 4,420.27

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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.