Home / 5,753.20-8,621.60-3,282.80

Finding the Fourth Proportional to 5,753.20, 8,621.60 and 3,282.80

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Solution

The fourth proportional to 5,753.20, 8,621.60 and 3,282.80 is: 4,919.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,753.20 : 8,621.60 = 3,282.80 : x
  2. Step 2: Convert to fraction form
    5,753.20/8,621.60 = 3,282.80/x
  3. Step 3: Cross multiply
    5,753.20x = 8,621.60 × 3,282.80
  4. Step 4: Simplify right side
    5,753.20x = 28,302,988.48
  5. Step 5: Solve for x
    x = 28,302,988.48/5,753.20
  6. Step 6: Final answer
    x = 4,919.52

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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.