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Finding the Fourth Proportional to 8,849.53, 12,212.79 and 4,870.60

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Solution

The fourth proportional to 8,849.53, 12,212.79 and 4,870.60 is: 6,721.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,849.53 : 12,212.79 = 4,870.60 : x
  2. Step 2: Convert to fraction form
    8,849.53/12,212.79 = 4,870.60/x
  3. Step 3: Cross multiply
    8,849.53x = 12,212.79 × 4,870.60
  4. Step 4: Simplify right side
    8,849.53x = 59,483,614.97
  5. Step 5: Solve for x
    x = 59,483,614.97/8,849.53
  6. Step 6: Final answer
    x = 6,721.67

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.