Home / 4,199.52-6,289.70-2,009.80

Finding the Fourth Proportional to 4,199.52, 6,289.70 and 2,009.80

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Solution

The fourth proportional to 4,199.52, 6,289.70 and 2,009.80 is: 3,010.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,199.52 : 6,289.70 = 2,009.80 : x
  2. Step 2: Convert to fraction form
    4,199.52/6,289.70 = 2,009.80/x
  3. Step 3: Cross multiply
    4,199.52x = 6,289.70 × 2,009.80
  4. Step 4: Simplify right side
    4,199.52x = 12,641,028.36
  5. Step 5: Solve for x
    x = 12,641,028.36/4,199.52
  6. Step 6: Final answer
    x = 3,010.11

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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.