Home / 4,467.12-6,699.60-1,872

Finding the Fourth Proportional to 4,467.12, 6,699.60 and 1,872

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Solution

The fourth proportional to 4,467.12, 6,699.60 and 1,872 is: 2,807.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,467.12 : 6,699.60 = 1,872 : x
  2. Step 2: Convert to fraction form
    4,467.12/6,699.60 = 1,872/x
  3. Step 3: Cross multiply
    4,467.12x = 6,699.60 × 1,872
  4. Step 4: Simplify right side
    4,467.12x = 12,541,651.20
  5. Step 5: Solve for x
    x = 12,541,651.20/4,467.12
  6. Step 6: Final answer
    x = 2,807.55

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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.