Home / 5,519.72-8,282.67-4,289.60

Finding the Fourth Proportional to 5,519.72, 8,282.67 and 4,289.60

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Solution

The fourth proportional to 5,519.72, 8,282.67 and 4,289.60 is: 6,436.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.72 : 8,282.67 = 4,289.60 : x
  2. Step 2: Convert to fraction form
    5,519.72/8,282.67 = 4,289.60/x
  3. Step 3: Cross multiply
    5,519.72x = 8,282.67 × 4,289.60
  4. Step 4: Simplify right side
    5,519.72x = 35,529,341.23
  5. Step 5: Solve for x
    x = 35,529,341.23/5,519.72
  6. Step 6: Final answer
    x = 6,436.80

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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.