Home / 8,290.36-12,433.92-3,094.48

Finding the Fourth Proportional to 8,290.36, 12,433.92 and 3,094.48

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Solution

The fourth proportional to 8,290.36, 12,433.92 and 3,094.48 is: 4,641.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,290.36 : 12,433.92 = 3,094.48 : x
  2. Step 2: Convert to fraction form
    8,290.36/12,433.92 = 3,094.48/x
  3. Step 3: Cross multiply
    8,290.36x = 12,433.92 × 3,094.48
  4. Step 4: Simplify right side
    8,290.36x = 38,476,516.76
  5. Step 5: Solve for x
    x = 38,476,516.76/8,290.36
  6. Step 6: Final answer
    x = 4,641.12

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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.