Home / 4,890.69-7,341.62-3,717.81

Finding the Fourth Proportional to 4,890.69, 7,341.62 and 3,717.81

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Solution

The fourth proportional to 4,890.69, 7,341.62 and 3,717.81 is: 5,580.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.69 : 7,341.62 = 3,717.81 : x
  2. Step 2: Convert to fraction form
    4,890.69/7,341.62 = 3,717.81/x
  3. Step 3: Cross multiply
    4,890.69x = 7,341.62 × 3,717.81
  4. Step 4: Simplify right side
    4,890.69x = 27,294,729.66
  5. Step 5: Solve for x
    x = 27,294,729.66/4,890.69
  6. Step 6: Final answer
    x = 5,580.96

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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.