Home / 4,412.67-6,620.63-1,815.81

Finding the Fourth Proportional to 4,412.67, 6,620.63 and 1,815.81

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Solution

The fourth proportional to 4,412.67, 6,620.63 and 1,815.81 is: 2,724.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,412.67 : 6,620.63 = 1,815.81 : x
  2. Step 2: Convert to fraction form
    4,412.67/6,620.63 = 1,815.81/x
  3. Step 3: Cross multiply
    4,412.67x = 6,620.63 × 1,815.81
  4. Step 4: Simplify right side
    4,412.67x = 12,021,797.08
  5. Step 5: Solve for x
    x = 12,021,797.08/4,412.67
  6. Step 6: Final answer
    x = 2,724.38

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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.