Home / 7,346.88-11,020.80-2,153.28

Finding the Fourth Proportional to 7,346.88, 11,020.80 and 2,153.28

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Solution

The fourth proportional to 7,346.88, 11,020.80 and 2,153.28 is: 3,230.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,346.88 : 11,020.80 = 2,153.28 : x
  2. Step 2: Convert to fraction form
    7,346.88/11,020.80 = 2,153.28/x
  3. Step 3: Cross multiply
    7,346.88x = 11,020.80 × 2,153.28
  4. Step 4: Simplify right side
    7,346.88x = 23,730,868.22
  5. Step 5: Solve for x
    x = 23,730,868.22/7,346.88
  6. Step 6: Final answer
    x = 3,230.06

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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.