Home / 7,872.24-11,796.46-4,748.77

Finding the Fourth Proportional to 7,872.24, 11,796.46 and 4,748.77

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Solution

The fourth proportional to 7,872.24, 11,796.46 and 4,748.77 is: 7,115.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,872.24 : 11,796.46 = 4,748.77 : x
  2. Step 2: Convert to fraction form
    7,872.24/11,796.46 = 4,748.77/x
  3. Step 3: Cross multiply
    7,872.24x = 11,796.46 × 4,748.77
  4. Step 4: Simplify right side
    7,872.24x = 56,018,675.35
  5. Step 5: Solve for x
    x = 56,018,675.35/7,872.24
  6. Step 6: Final answer
    x = 7,115.98

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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.