Home / 8,718.43-13,077.53-2,144.67

Finding the Fourth Proportional to 8,718.43, 13,077.53 and 2,144.67

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Solution

The fourth proportional to 8,718.43, 13,077.53 and 2,144.67 is: 3,216.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,718.43 : 13,077.53 = 2,144.67 : x
  2. Step 2: Convert to fraction form
    8,718.43/13,077.53 = 2,144.67/x
  3. Step 3: Cross multiply
    8,718.43x = 13,077.53 × 2,144.67
  4. Step 4: Simplify right side
    8,718.43x = 28,046,975.54
  5. Step 5: Solve for x
    x = 28,046,975.54/8,718.43
  6. Step 6: Final answer
    x = 3,216.98

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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.