Home / 5,119.04-7,668.84-2,650.16

Finding the Fourth Proportional to 5,119.04, 7,668.84 and 2,650.16

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Solution

The fourth proportional to 5,119.04, 7,668.84 and 2,650.16 is: 3,970.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,119.04 : 7,668.84 = 2,650.16 : x
  2. Step 2: Convert to fraction form
    5,119.04/7,668.84 = 2,650.16/x
  3. Step 3: Cross multiply
    5,119.04x = 7,668.84 × 2,650.16
  4. Step 4: Simplify right side
    5,119.04x = 20,323,653.01
  5. Step 5: Solve for x
    x = 20,323,653.01/5,119.04
  6. Step 6: Final answer
    x = 3,970.21

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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.