Home / 6,912.03-10,353.78-3,615.15

Finding the Fourth Proportional to 6,912.03, 10,353.78 and 3,615.15

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Solution

The fourth proportional to 6,912.03, 10,353.78 and 3,615.15 is: 5,415.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912.03 : 10,353.78 = 3,615.15 : x
  2. Step 2: Convert to fraction form
    6,912.03/10,353.78 = 3,615.15/x
  3. Step 3: Cross multiply
    6,912.03x = 10,353.78 × 3,615.15
  4. Step 4: Simplify right side
    6,912.03x = 37,430,467.77
  5. Step 5: Solve for x
    x = 37,430,467.77/6,912.03
  6. Step 6: Final answer
    x = 5,415.26

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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.