Home / 8,721.75-13,082.64-3,527.64

Finding the Fourth Proportional to 8,721.75, 13,082.64 and 3,527.64

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Solution

The fourth proportional to 8,721.75, 13,082.64 and 3,527.64 is: 5,291.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,721.75 : 13,082.64 = 3,527.64 : x
  2. Step 2: Convert to fraction form
    8,721.75/13,082.64 = 3,527.64/x
  3. Step 3: Cross multiply
    8,721.75x = 13,082.64 × 3,527.64
  4. Step 4: Simplify right side
    8,721.75x = 46,150,844.17
  5. Step 5: Solve for x
    x = 46,150,844.17/8,721.75
  6. Step 6: Final answer
    x = 5,291.47

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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.