Home / 6,989.87-10,467.28-4,176.98

Finding the Fourth Proportional to 6,989.87, 10,467.28 and 4,176.98

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Solution

The fourth proportional to 6,989.87, 10,467.28 and 4,176.98 is: 6,254.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989.87 : 10,467.28 = 4,176.98 : x
  2. Step 2: Convert to fraction form
    6,989.87/10,467.28 = 4,176.98/x
  3. Step 3: Cross multiply
    6,989.87x = 10,467.28 × 4,176.98
  4. Step 4: Simplify right side
    6,989.87x = 43,721,556.44
  5. Step 5: Solve for x
    x = 43,721,556.44/6,989.87
  6. Step 6: Final answer
    x = 6,254.99

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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.