Home / 5,143.73-7,098.09-3,018.98

Finding the Fourth Proportional to 5,143.73, 7,098.09 and 3,018.98

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Solution

The fourth proportional to 5,143.73, 7,098.09 and 3,018.98 is: 4,166.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,143.73 : 7,098.09 = 3,018.98 : x
  2. Step 2: Convert to fraction form
    5,143.73/7,098.09 = 3,018.98/x
  3. Step 3: Cross multiply
    5,143.73x = 7,098.09 × 3,018.98
  4. Step 4: Simplify right side
    5,143.73x = 21,428,991.75
  5. Step 5: Solve for x
    x = 21,428,991.75/5,143.73
  6. Step 6: Final answer
    x = 4,166.04

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1.5x scale

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.