Home / 9,029.76-13,546.64-3,186.40

Finding the Fourth Proportional to 9,029.76, 13,546.64 and 3,186.40

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Solution

The fourth proportional to 9,029.76, 13,546.64 and 3,186.40 is: 4,780.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,029.76 : 13,546.64 = 3,186.40 : x
  2. Step 2: Convert to fraction form
    9,029.76/13,546.64 = 3,186.40/x
  3. Step 3: Cross multiply
    9,029.76x = 13,546.64 × 3,186.40
  4. Step 4: Simplify right side
    9,029.76x = 43,165,013.70
  5. Step 5: Solve for x
    x = 43,165,013.70/9,029.76
  6. Step 6: Final answer
    x = 4,780.31

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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.