Home / 5,915-8,161.89-3,262.25

Finding the Fourth Proportional to 5,915, 8,161.89 and 3,262.25

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Solution

The fourth proportional to 5,915, 8,161.89 and 3,262.25 is: 4,501.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915 : 8,161.89 = 3,262.25 : x
  2. Step 2: Convert to fraction form
    5,915/8,161.89 = 3,262.25/x
  3. Step 3: Cross multiply
    5,915x = 8,161.89 × 3,262.25
  4. Step 4: Simplify right side
    5,915x = 26,626,125.65
  5. Step 5: Solve for x
    x = 26,626,125.65/5,915
  6. Step 6: Final answer
    x = 4,501.46

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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.