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Finding the Fourth Proportional to 7,127.58, 10,692 and 1,933.50

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Solution

The fourth proportional to 7,127.58, 10,692 and 1,933.50 is: 2,900.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127.58 : 10,692 = 1,933.50 : x
  2. Step 2: Convert to fraction form
    7,127.58/10,692 = 1,933.50/x
  3. Step 3: Cross multiply
    7,127.58x = 10,692 × 1,933.50
  4. Step 4: Simplify right side
    7,127.58x = 20,672,982
  5. Step 5: Solve for x
    x = 20,672,982/7,127.58
  6. Step 6: Final answer
    x = 2,900.42

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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.