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Finding the Fourth Proportional to 4,454.60, 6,679.80 and 1,333.80

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Solution

The fourth proportional to 4,454.60, 6,679.80 and 1,333.80 is: 2,000.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,454.60 : 6,679.80 = 1,333.80 : x
  2. Step 2: Convert to fraction form
    4,454.60/6,679.80 = 1,333.80/x
  3. Step 3: Cross multiply
    4,454.60x = 6,679.80 × 1,333.80
  4. Step 4: Simplify right side
    4,454.60x = 8,909,517.24
  5. Step 5: Solve for x
    x = 8,909,517.24/4,454.60
  6. Step 6: Final answer
    x = 2,000.07

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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.