Home / 8,930.79-13,394.36-3,382.22

Finding the Fourth Proportional to 8,930.79, 13,394.36 and 3,382.22

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Solution

The fourth proportional to 8,930.79, 13,394.36 and 3,382.22 is: 5,072.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,930.79 : 13,394.36 = 3,382.22 : x
  2. Step 2: Convert to fraction form
    8,930.79/13,394.36 = 3,382.22/x
  3. Step 3: Cross multiply
    8,930.79x = 13,394.36 × 3,382.22
  4. Step 4: Simplify right side
    8,930.79x = 45,302,714.22
  5. Step 5: Solve for x
    x = 45,302,714.22/8,930.79
  6. Step 6: Final answer
    x = 5,072.64

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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.