Home / 4,455.11-6,678.26-2,111.00

Finding the Fourth Proportional to 4,455.11, 6,678.26 and 2,111.00

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Solution

The fourth proportional to 4,455.11, 6,678.26 and 2,111.00 is: 3,164.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455.11 : 6,678.26 = 2,111.00 : x
  2. Step 2: Convert to fraction form
    4,455.11/6,678.26 = 2,111.00/x
  3. Step 3: Cross multiply
    4,455.11x = 6,678.26 × 2,111.00
  4. Step 4: Simplify right side
    4,455.11x = 14,097,773.47
  5. Step 5: Solve for x
    x = 14,097,773.47/4,455.11
  6. Step 6: Final answer
    x = 3,164.41

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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.