Home / 4,314.84-6,472.26-2,121.36

Finding the Fourth Proportional to 4,314.84, 6,472.26 and 2,121.36

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Solution

The fourth proportional to 4,314.84, 6,472.26 and 2,121.36 is: 3,182.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,314.84 : 6,472.26 = 2,121.36 : x
  2. Step 2: Convert to fraction form
    4,314.84/6,472.26 = 2,121.36/x
  3. Step 3: Cross multiply
    4,314.84x = 6,472.26 × 2,121.36
  4. Step 4: Simplify right side
    4,314.84x = 13,729,993.47
  5. Step 5: Solve for x
    x = 13,729,993.47/4,314.84
  6. Step 6: Final answer
    x = 3,182.04

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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.