Home / 4,269.81-6,407.64-2,621.33

Finding the Fourth Proportional to 4,269.81, 6,407.64 and 2,621.33

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Solution

The fourth proportional to 4,269.81, 6,407.64 and 2,621.33 is: 3,933.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,269.81 : 6,407.64 = 2,621.33 : x
  2. Step 2: Convert to fraction form
    4,269.81/6,407.64 = 2,621.33/x
  3. Step 3: Cross multiply
    4,269.81x = 6,407.64 × 2,621.33
  4. Step 4: Simplify right side
    4,269.81x = 16,796,530.95
  5. Step 5: Solve for x
    x = 16,796,530.95/4,269.81
  6. Step 6: Final answer
    x = 3,933.79

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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.