Home / 7,913.43-11,866.91-3,527.89

Finding the Fourth Proportional to 7,913.43, 11,866.91 and 3,527.89

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Solution

The fourth proportional to 7,913.43, 11,866.91 and 3,527.89 is: 5,290.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,913.43 : 11,866.91 = 3,527.89 : x
  2. Step 2: Convert to fraction form
    7,913.43/11,866.91 = 3,527.89/x
  3. Step 3: Cross multiply
    7,913.43x = 11,866.91 × 3,527.89
  4. Step 4: Simplify right side
    7,913.43x = 41,865,105.81
  5. Step 5: Solve for x
    x = 41,865,105.81/7,913.43
  6. Step 6: Final answer
    x = 5,290.39

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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.