Home / 9,146.56-13,719.88-2,221.06

Finding the Fourth Proportional to 9,146.56, 13,719.88 and 2,221.06

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Solution

The fourth proportional to 9,146.56, 13,719.88 and 2,221.06 is: 3,331.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,146.56 : 13,719.88 = 2,221.06 : x
  2. Step 2: Convert to fraction form
    9,146.56/13,719.88 = 2,221.06/x
  3. Step 3: Cross multiply
    9,146.56x = 13,719.88 × 2,221.06
  4. Step 4: Simplify right side
    9,146.56x = 30,472,676.67
  5. Step 5: Solve for x
    x = 30,472,676.67/9,146.56
  6. Step 6: Final answer
    x = 3,331.60

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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.