Home / 5,321.46-7,976.79-2,203.68

Finding the Fourth Proportional to 5,321.46, 7,976.79 and 2,203.68

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Solution

The fourth proportional to 5,321.46, 7,976.79 and 2,203.68 is: 3,303.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321.46 : 7,976.79 = 2,203.68 : x
  2. Step 2: Convert to fraction form
    5,321.46/7,976.79 = 2,203.68/x
  3. Step 3: Cross multiply
    5,321.46x = 7,976.79 × 2,203.68
  4. Step 4: Simplify right side
    5,321.46x = 17,578,292.59
  5. Step 5: Solve for x
    x = 17,578,292.59/5,321.46
  6. Step 6: Final answer
    x = 3,303.28

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1.5x scale

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.