Home / 5,141.48-7,708.98-2,218.28

Finding the Fourth Proportional to 5,141.48, 7,708.98 and 2,218.28

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Solution

The fourth proportional to 5,141.48, 7,708.98 and 2,218.28 is: 3,326.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,141.48 : 7,708.98 = 2,218.28 : x
  2. Step 2: Convert to fraction form
    5,141.48/7,708.98 = 2,218.28/x
  3. Step 3: Cross multiply
    5,141.48x = 7,708.98 × 2,218.28
  4. Step 4: Simplify right side
    5,141.48x = 17,100,676.15
  5. Step 5: Solve for x
    x = 17,100,676.15/5,141.48
  6. Step 6: Final answer
    x = 3,326.02

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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.