Home / 8,160.42-11,261.04-4,623.54

Finding the Fourth Proportional to 8,160.42, 11,261.04 and 4,623.54

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Solution

The fourth proportional to 8,160.42, 11,261.04 and 4,623.54 is: 6,380.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160.42 : 11,261.04 = 4,623.54 : x
  2. Step 2: Convert to fraction form
    8,160.42/11,261.04 = 4,623.54/x
  3. Step 3: Cross multiply
    8,160.42x = 11,261.04 × 4,623.54
  4. Step 4: Simplify right side
    8,160.42x = 52,065,868.88
  5. Step 5: Solve for x
    x = 52,065,868.88/8,160.42
  6. Step 6: Final answer
    x = 6,380.29

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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.