Home / 6,581.40-9,082.44-3,929.04

Finding the Fourth Proportional to 6,581.40, 9,082.44 and 3,929.04

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Solution

The fourth proportional to 6,581.40, 9,082.44 and 3,929.04 is: 5,422.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,581.40 : 9,082.44 = 3,929.04 : x
  2. Step 2: Convert to fraction form
    6,581.40/9,082.44 = 3,929.04/x
  3. Step 3: Cross multiply
    6,581.40x = 9,082.44 × 3,929.04
  4. Step 4: Simplify right side
    6,581.40x = 35,685,270.06
  5. Step 5: Solve for x
    x = 35,685,270.06/6,581.40
  6. Step 6: Final answer
    x = 5,422.14

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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.