Home / 4,014-6,021.72-1,240.64

Finding the Fourth Proportional to 4,014, 6,021.72 and 1,240.64

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Solution

The fourth proportional to 4,014, 6,021.72 and 1,240.64 is: 1,861.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,014 : 6,021.72 = 1,240.64 : x
  2. Step 2: Convert to fraction form
    4,014/6,021.72 = 1,240.64/x
  3. Step 3: Cross multiply
    4,014x = 6,021.72 × 1,240.64
  4. Step 4: Simplify right side
    4,014x = 7,470,786.70
  5. Step 5: Solve for x
    x = 7,470,786.70/4,014
  6. Step 6: Final answer
    x = 1,861.18

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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.