Home / 7,872.15-11,796.89-4,540.27

Finding the Fourth Proportional to 7,872.15, 11,796.89 and 4,540.27

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Solution

The fourth proportional to 7,872.15, 11,796.89 and 4,540.27 is: 6,803.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,872.15 : 11,796.89 = 4,540.27 : x
  2. Step 2: Convert to fraction form
    7,872.15/11,796.89 = 4,540.27/x
  3. Step 3: Cross multiply
    7,872.15x = 11,796.89 × 4,540.27
  4. Step 4: Simplify right side
    7,872.15x = 53,561,065.76
  5. Step 5: Solve for x
    x = 53,561,065.76/7,872.15
  6. Step 6: Final answer
    x = 6,803.87

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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.