Home / 9,942.46-14,910.03-2,920.66

Finding the Fourth Proportional to 9,942.46, 14,910.03 and 2,920.66

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Solution

The fourth proportional to 9,942.46, 14,910.03 and 2,920.66 is: 4,379.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,942.46 : 14,910.03 = 2,920.66 : x
  2. Step 2: Convert to fraction form
    9,942.46/14,910.03 = 2,920.66/x
  3. Step 3: Cross multiply
    9,942.46x = 14,910.03 × 2,920.66
  4. Step 4: Simplify right side
    9,942.46x = 43,547,090.94
  5. Step 5: Solve for x
    x = 43,547,090.94/9,942.46
  6. Step 6: Final answer
    x = 4,379.91

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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.