Home / 8,845.05-13,261.42-3,912.00

Finding the Fourth Proportional to 8,845.05, 13,261.42 and 3,912.00

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Solution

The fourth proportional to 8,845.05, 13,261.42 and 3,912.00 is: 5,865.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,845.05 : 13,261.42 = 3,912.00 : x
  2. Step 2: Convert to fraction form
    8,845.05/13,261.42 = 3,912.00/x
  3. Step 3: Cross multiply
    8,845.05x = 13,261.42 × 3,912.00
  4. Step 4: Simplify right side
    8,845.05x = 51,878,630.20
  5. Step 5: Solve for x
    x = 51,878,630.20/8,845.05
  6. Step 6: Final answer
    x = 5,865.27

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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.