Home / 8,820.27-13,230.26-4,139.19

Finding the Fourth Proportional to 8,820.27, 13,230.26 and 4,139.19

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Solution

The fourth proportional to 8,820.27, 13,230.26 and 4,139.19 is: 6,208.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,820.27 : 13,230.26 = 4,139.19 : x
  2. Step 2: Convert to fraction form
    8,820.27/13,230.26 = 4,139.19/x
  3. Step 3: Cross multiply
    8,820.27x = 13,230.26 × 4,139.19
  4. Step 4: Simplify right side
    8,820.27x = 54,762,539.19
  5. Step 5: Solve for x
    x = 54,762,539.19/8,820.27
  6. Step 6: Final answer
    x = 6,208.71

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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.