Home / 4,179.89-6,269.98-1,406.65

Finding the Fourth Proportional to 4,179.89, 6,269.98 and 1,406.65

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Solution

The fourth proportional to 4,179.89, 6,269.98 and 1,406.65 is: 2,110.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,179.89 : 6,269.98 = 1,406.65 : x
  2. Step 2: Convert to fraction form
    4,179.89/6,269.98 = 1,406.65/x
  3. Step 3: Cross multiply
    4,179.89x = 6,269.98 × 1,406.65
  4. Step 4: Simplify right side
    4,179.89x = 8,819,667.37
  5. Step 5: Solve for x
    x = 8,819,667.37/4,179.89
  6. Step 6: Final answer
    x = 2,110.02

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1.5x scale

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.