Home / 6,897.44-9,518.92-3,912.24

Finding the Fourth Proportional to 6,897.44, 9,518.92 and 3,912.24

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Solution

The fourth proportional to 6,897.44, 9,518.92 and 3,912.24 is: 5,399.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897.44 : 9,518.92 = 3,912.24 : x
  2. Step 2: Convert to fraction form
    6,897.44/9,518.92 = 3,912.24/x
  3. Step 3: Cross multiply
    6,897.44x = 9,518.92 × 3,912.24
  4. Step 4: Simplify right side
    6,897.44x = 37,240,299.58
  5. Step 5: Solve for x
    x = 37,240,299.58/6,897.44
  6. Step 6: Final answer
    x = 5,399.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.