Home / 6,671.40-9,996.30-4,201.80

Finding the Fourth Proportional to 6,671.40, 9,996.30 and 4,201.80

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Solution

The fourth proportional to 6,671.40, 9,996.30 and 4,201.80 is: 6,295.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,671.40 : 9,996.30 = 4,201.80 : x
  2. Step 2: Convert to fraction form
    6,671.40/9,996.30 = 4,201.80/x
  3. Step 3: Cross multiply
    6,671.40x = 9,996.30 × 4,201.80
  4. Step 4: Simplify right side
    6,671.40x = 42,002,453.34
  5. Step 5: Solve for x
    x = 42,002,453.34/6,671.40
  6. Step 6: Final answer
    x = 6,295.90

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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.