Home / 5,117.41-7,674.60-2,195.02

Finding the Fourth Proportional to 5,117.41, 7,674.60 and 2,195.02

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Solution

The fourth proportional to 5,117.41, 7,674.60 and 2,195.02 is: 3,291.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.41 : 7,674.60 = 2,195.02 : x
  2. Step 2: Convert to fraction form
    5,117.41/7,674.60 = 2,195.02/x
  3. Step 3: Cross multiply
    5,117.41x = 7,674.60 × 2,195.02
  4. Step 4: Simplify right side
    5,117.41x = 16,845,900.49
  5. Step 5: Solve for x
    x = 16,845,900.49/5,117.41
  6. Step 6: Final answer
    x = 3,291.88

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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.