Home / 8,021.48-11,069.61-4,387.52

Finding the Fourth Proportional to 8,021.48, 11,069.61 and 4,387.52

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Solution

The fourth proportional to 8,021.48, 11,069.61 and 4,387.52 is: 6,054.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.48 : 11,069.61 = 4,387.52 : x
  2. Step 2: Convert to fraction form
    8,021.48/11,069.61 = 4,387.52/x
  3. Step 3: Cross multiply
    8,021.48x = 11,069.61 × 4,387.52
  4. Step 4: Simplify right side
    8,021.48x = 48,568,135.27
  5. Step 5: Solve for x
    x = 48,568,135.27/8,021.48
  6. Step 6: Final answer
    x = 6,054.76

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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.