Home / 4,581-6,321.78-2,718.36

Finding the Fourth Proportional to 4,581, 6,321.78 and 2,718.36

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Solution

The fourth proportional to 4,581, 6,321.78 and 2,718.36 is: 3,751.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,581 : 6,321.78 = 2,718.36 : x
  2. Step 2: Convert to fraction form
    4,581/6,321.78 = 2,718.36/x
  3. Step 3: Cross multiply
    4,581x = 6,321.78 × 2,718.36
  4. Step 4: Simplify right side
    4,581x = 17,184,873.88
  5. Step 5: Solve for x
    x = 17,184,873.88/4,581
  6. Step 6: Final answer
    x = 3,751.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.