Home / 7,014.66-10,514.70-3,121.80

Finding the Fourth Proportional to 7,014.66, 10,514.70 and 3,121.80

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Solution

The fourth proportional to 7,014.66, 10,514.70 and 3,121.80 is: 4,679.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,014.66 : 10,514.70 = 3,121.80 : x
  2. Step 2: Convert to fraction form
    7,014.66/10,514.70 = 3,121.80/x
  3. Step 3: Cross multiply
    7,014.66x = 10,514.70 × 3,121.80
  4. Step 4: Simplify right side
    7,014.66x = 32,824,790.46
  5. Step 5: Solve for x
    x = 32,824,790.46/7,014.66
  6. Step 6: Final answer
    x = 4,679.46

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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.