Home / 8,734.56-13,103-2,809.67

Finding the Fourth Proportional to 8,734.56, 13,103 and 2,809.67

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Solution

The fourth proportional to 8,734.56, 13,103 and 2,809.67 is: 4,214.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,734.56 : 13,103 = 2,809.67 : x
  2. Step 2: Convert to fraction form
    8,734.56/13,103 = 2,809.67/x
  3. Step 3: Cross multiply
    8,734.56x = 13,103 × 2,809.67
  4. Step 4: Simplify right side
    8,734.56x = 36,815,106.01
  5. Step 5: Solve for x
    x = 36,815,106.01/8,734.56
  6. Step 6: Final answer
    x = 4,214.88

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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.