Home / 9,187.40-12,676.39-5,829

Finding the Fourth Proportional to 9,187.40, 12,676.39 and 5,829

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Solution

The fourth proportional to 9,187.40, 12,676.39 and 5,829 is: 8,042.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,187.40 : 12,676.39 = 5,829 : x
  2. Step 2: Convert to fraction form
    9,187.40/12,676.39 = 5,829/x
  3. Step 3: Cross multiply
    9,187.40x = 12,676.39 × 5,829
  4. Step 4: Simplify right side
    9,187.40x = 73,890,662.74
  5. Step 5: Solve for x
    x = 73,890,662.74/9,187.40
  6. Step 6: Final answer
    x = 8,042.61

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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.