Home / 6,922.48-10,376.64-2,765.36

Finding the Fourth Proportional to 6,922.48, 10,376.64 and 2,765.36

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Solution

The fourth proportional to 6,922.48, 10,376.64 and 2,765.36 is: 4,145.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,922.48 : 10,376.64 = 2,765.36 : x
  2. Step 2: Convert to fraction form
    6,922.48/10,376.64 = 2,765.36/x
  3. Step 3: Cross multiply
    6,922.48x = 10,376.64 × 2,765.36
  4. Step 4: Simplify right side
    6,922.48x = 28,695,145.19
  5. Step 5: Solve for x
    x = 28,695,145.19/6,922.48
  6. Step 6: Final answer
    x = 4,145.21

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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.