Home / 8,717.96-13,069.57-3,783.89

Finding the Fourth Proportional to 8,717.96, 13,069.57 and 3,783.89

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Solution

The fourth proportional to 8,717.96, 13,069.57 and 3,783.89 is: 5,672.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717.96 : 13,069.57 = 3,783.89 : x
  2. Step 2: Convert to fraction form
    8,717.96/13,069.57 = 3,783.89/x
  3. Step 3: Cross multiply
    8,717.96x = 13,069.57 × 3,783.89
  4. Step 4: Simplify right side
    8,717.96x = 49,453,815.23
  5. Step 5: Solve for x
    x = 49,453,815.23/8,717.96
  6. Step 6: Final answer
    x = 5,672.64

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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.