Home / 5,216.20-7,816.20-4,519.60

Finding the Fourth Proportional to 5,216.20, 7,816.20 and 4,519.60

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Solution

The fourth proportional to 5,216.20, 7,816.20 and 4,519.60 is: 6,772.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216.20 : 7,816.20 = 4,519.60 : x
  2. Step 2: Convert to fraction form
    5,216.20/7,816.20 = 4,519.60/x
  3. Step 3: Cross multiply
    5,216.20x = 7,816.20 × 4,519.60
  4. Step 4: Simplify right side
    5,216.20x = 35,326,097.52
  5. Step 5: Solve for x
    x = 35,326,097.52/5,216.20
  6. Step 6: Final answer
    x = 6,772.38

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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.