Home / 4,179.88-6,269.93-1,406.65

Finding the Fourth Proportional to 4,179.88, 6,269.93 and 1,406.65

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Solution

The fourth proportional to 4,179.88, 6,269.93 and 1,406.65 is: 2,110.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,179.88 : 6,269.93 = 1,406.65 : x
  2. Step 2: Convert to fraction form
    4,179.88/6,269.93 = 1,406.65/x
  3. Step 3: Cross multiply
    4,179.88x = 6,269.93 × 1,406.65
  4. Step 4: Simplify right side
    4,179.88x = 8,819,597.03
  5. Step 5: Solve for x
    x = 8,819,597.03/4,179.88
  6. Step 6: Final answer
    x = 2,110.01

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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.