Home / 5,101.67-7,040.49-3,110.83

Finding the Fourth Proportional to 5,101.67, 7,040.49 and 3,110.83

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Solution

The fourth proportional to 5,101.67, 7,040.49 and 3,110.83 is: 4,293.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101.67 : 7,040.49 = 3,110.83 : x
  2. Step 2: Convert to fraction form
    5,101.67/7,040.49 = 3,110.83/x
  3. Step 3: Cross multiply
    5,101.67x = 7,040.49 × 3,110.83
  4. Step 4: Simplify right side
    5,101.67x = 21,901,767.51
  5. Step 5: Solve for x
    x = 21,901,767.51/5,101.67
  6. Step 6: Final answer
    x = 4,293.06

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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.