Home / 4,179.38-6,269.47-1,406.75

Finding the Fourth Proportional to 4,179.38, 6,269.47 and 1,406.75

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Solution

The fourth proportional to 4,179.38, 6,269.47 and 1,406.75 is: 2,110.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,179.38 : 6,269.47 = 1,406.75 : x
  2. Step 2: Convert to fraction form
    4,179.38/6,269.47 = 1,406.75/x
  3. Step 3: Cross multiply
    4,179.38x = 6,269.47 × 1,406.75
  4. Step 4: Simplify right side
    4,179.38x = 8,819,542.06
  5. Step 5: Solve for x
    x = 8,819,542.06/4,179.38
  6. Step 6: Final answer
    x = 2,110.25

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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.