Home / 5,330.22-7,995.36-1,381.48

Finding the Fourth Proportional to 5,330.22, 7,995.36 and 1,381.48

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Solution

The fourth proportional to 5,330.22, 7,995.36 and 1,381.48 is: 2,072.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.22 : 7,995.36 = 1,381.48 : x
  2. Step 2: Convert to fraction form
    5,330.22/7,995.36 = 1,381.48/x
  3. Step 3: Cross multiply
    5,330.22x = 7,995.36 × 1,381.48
  4. Step 4: Simplify right side
    5,330.22x = 11,045,429.93
  5. Step 5: Solve for x
    x = 11,045,429.93/5,330.22
  6. Step 6: Final answer
    x = 2,072.23

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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.