Home / 4,500.40-6,211.20-2,732.80

Finding the Fourth Proportional to 4,500.40, 6,211.20 and 2,732.80

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Solution

The fourth proportional to 4,500.40, 6,211.20 and 2,732.80 is: 3,771.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,500.40 : 6,211.20 = 2,732.80 : x
  2. Step 2: Convert to fraction form
    4,500.40/6,211.20 = 2,732.80/x
  3. Step 3: Cross multiply
    4,500.40x = 6,211.20 × 2,732.80
  4. Step 4: Simplify right side
    4,500.40x = 16,973,967.36
  5. Step 5: Solve for x
    x = 16,973,967.36/4,500.40
  6. Step 6: Final answer
    x = 3,771.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.