Home / 7,186.48-10,764.60-3,890.32

Finding the Fourth Proportional to 7,186.48, 10,764.60 and 3,890.32

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Solution

The fourth proportional to 7,186.48, 10,764.60 and 3,890.32 is: 5,827.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,186.48 : 10,764.60 = 3,890.32 : x
  2. Step 2: Convert to fraction form
    7,186.48/10,764.60 = 3,890.32/x
  3. Step 3: Cross multiply
    7,186.48x = 10,764.60 × 3,890.32
  4. Step 4: Simplify right side
    7,186.48x = 41,877,738.67
  5. Step 5: Solve for x
    x = 41,877,738.67/7,186.48
  6. Step 6: Final answer
    x = 5,827.29

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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.