Home / 7,490.25-11,235.38-2,018.25

Finding the Fourth Proportional to 7,490.25, 11,235.38 and 2,018.25

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Solution

The fourth proportional to 7,490.25, 11,235.38 and 2,018.25 is: 3,027.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.25 : 11,235.38 = 2,018.25 : x
  2. Step 2: Convert to fraction form
    7,490.25/11,235.38 = 2,018.25/x
  3. Step 3: Cross multiply
    7,490.25x = 11,235.38 × 2,018.25
  4. Step 4: Simplify right side
    7,490.25x = 22,675,795.59
  5. Step 5: Solve for x
    x = 22,675,795.59/7,490.25
  6. Step 6: Final answer
    x = 3,027.38

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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.