Home / 6,512.34-9,769.71-2,130.04

Finding the Fourth Proportional to 6,512.34, 9,769.71 and 2,130.04

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Solution

The fourth proportional to 6,512.34, 9,769.71 and 2,130.04 is: 3,195.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,512.34 : 9,769.71 = 2,130.04 : x
  2. Step 2: Convert to fraction form
    6,512.34/9,769.71 = 2,130.04/x
  3. Step 3: Cross multiply
    6,512.34x = 9,769.71 × 2,130.04
  4. Step 4: Simplify right side
    6,512.34x = 20,809,873.09
  5. Step 5: Solve for x
    x = 20,809,873.09/6,512.34
  6. Step 6: Final answer
    x = 3,195.45

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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.