Home / 8,370.98-12,556.16-2,824.20

Finding the Fourth Proportional to 8,370.98, 12,556.16 and 2,824.20

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Solution

The fourth proportional to 8,370.98, 12,556.16 and 2,824.20 is: 4,236.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,370.98 : 12,556.16 = 2,824.20 : x
  2. Step 2: Convert to fraction form
    8,370.98/12,556.16 = 2,824.20/x
  3. Step 3: Cross multiply
    8,370.98x = 12,556.16 × 2,824.20
  4. Step 4: Simplify right side
    8,370.98x = 35,461,107.07
  5. Step 5: Solve for x
    x = 35,461,107.07/8,370.98
  6. Step 6: Final answer
    x = 4,236.20

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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.