Home / 7,216.20-10,827.90-4,098.60

Finding the Fourth Proportional to 7,216.20, 10,827.90 and 4,098.60

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Solution

The fourth proportional to 7,216.20, 10,827.90 and 4,098.60 is: 6,149.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216.20 : 10,827.90 = 4,098.60 : x
  2. Step 2: Convert to fraction form
    7,216.20/10,827.90 = 4,098.60/x
  3. Step 3: Cross multiply
    7,216.20x = 10,827.90 × 4,098.60
  4. Step 4: Simplify right side
    7,216.20x = 44,379,230.94
  5. Step 5: Solve for x
    x = 44,379,230.94/7,216.20
  6. Step 6: Final answer
    x = 6,149.94

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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.