Home / 5,305.39-7,961.53-2,018.51

Finding the Fourth Proportional to 5,305.39, 7,961.53 and 2,018.51

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Solution

The fourth proportional to 5,305.39, 7,961.53 and 2,018.51 is: 3,029.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,305.39 : 7,961.53 = 2,018.51 : x
  2. Step 2: Convert to fraction form
    5,305.39/7,961.53 = 2,018.51/x
  3. Step 3: Cross multiply
    5,305.39x = 7,961.53 × 2,018.51
  4. Step 4: Simplify right side
    5,305.39x = 16,070,415.45
  5. Step 5: Solve for x
    x = 16,070,415.45/5,305.39
  6. Step 6: Final answer
    x = 3,029.08

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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.