Home / 8,890.20-12,268.23-4,911.27

Finding the Fourth Proportional to 8,890.20, 12,268.23 and 4,911.27

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Solution

The fourth proportional to 8,890.20, 12,268.23 and 4,911.27 is: 6,777.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,890.20 : 12,268.23 = 4,911.27 : x
  2. Step 2: Convert to fraction form
    8,890.20/12,268.23 = 4,911.27/x
  3. Step 3: Cross multiply
    8,890.20x = 12,268.23 × 4,911.27
  4. Step 4: Simplify right side
    8,890.20x = 60,252,589.95
  5. Step 5: Solve for x
    x = 60,252,589.95/8,890.20
  6. Step 6: Final answer
    x = 6,777.42

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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.