Home / 9,212.32-13,818.41-4,279.22

Finding the Fourth Proportional to 9,212.32, 13,818.41 and 4,279.22

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Solution

The fourth proportional to 9,212.32, 13,818.41 and 4,279.22 is: 6,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212.32 : 13,818.41 = 4,279.22 : x
  2. Step 2: Convert to fraction form
    9,212.32/13,818.41 = 4,279.22/x
  3. Step 3: Cross multiply
    9,212.32x = 13,818.41 × 4,279.22
  4. Step 4: Simplify right side
    9,212.32x = 59,132,016.44
  5. Step 5: Solve for x
    x = 59,132,016.44/9,212.32
  6. Step 6: Final answer
    x = 6,418.80

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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.