Home / 7,124.20-10,687.98-2,193.73

Finding the Fourth Proportional to 7,124.20, 10,687.98 and 2,193.73

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Solution

The fourth proportional to 7,124.20, 10,687.98 and 2,193.73 is: 3,291.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,124.20 : 10,687.98 = 2,193.73 : x
  2. Step 2: Convert to fraction form
    7,124.20/10,687.98 = 2,193.73/x
  3. Step 3: Cross multiply
    7,124.20x = 10,687.98 × 2,193.73
  4. Step 4: Simplify right side
    7,124.20x = 23,446,542.37
  5. Step 5: Solve for x
    x = 23,446,542.37/7,124.20
  6. Step 6: Final answer
    x = 3,291.11

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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.