Home / 5,387.15-8,069.38-2,467.91

Finding the Fourth Proportional to 5,387.15, 8,069.38 and 2,467.91

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Solution

The fourth proportional to 5,387.15, 8,069.38 and 2,467.91 is: 3,696.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387.15 : 8,069.38 = 2,467.91 : x
  2. Step 2: Convert to fraction form
    5,387.15/8,069.38 = 2,467.91/x
  3. Step 3: Cross multiply
    5,387.15x = 8,069.38 × 2,467.91
  4. Step 4: Simplify right side
    5,387.15x = 19,914,503.60
  5. Step 5: Solve for x
    x = 19,914,503.60/5,387.15
  6. Step 6: Final answer
    x = 3,696.67

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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.