Home / 4,178.20-6,267.30-2,104.60

Finding the Fourth Proportional to 4,178.20, 6,267.30 and 2,104.60

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Solution

The fourth proportional to 4,178.20, 6,267.30 and 2,104.60 is: 3,156.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.20 : 6,267.30 = 2,104.60 : x
  2. Step 2: Convert to fraction form
    4,178.20/6,267.30 = 2,104.60/x
  3. Step 3: Cross multiply
    4,178.20x = 6,267.30 × 2,104.60
  4. Step 4: Simplify right side
    4,178.20x = 13,190,159.58
  5. Step 5: Solve for x
    x = 13,190,159.58/4,178.20
  6. Step 6: Final answer
    x = 3,156.90

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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.