Home / 5,440.73-8,161.47-1,692

Finding the Fourth Proportional to 5,440.73, 8,161.47 and 1,692

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Solution

The fourth proportional to 5,440.73, 8,161.47 and 1,692 is: 2,538.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.73 : 8,161.47 = 1,692 : x
  2. Step 2: Convert to fraction form
    5,440.73/8,161.47 = 1,692/x
  3. Step 3: Cross multiply
    5,440.73x = 8,161.47 × 1,692
  4. Step 4: Simplify right side
    5,440.73x = 13,809,207.24
  5. Step 5: Solve for x
    x = 13,809,207.24/5,440.73
  6. Step 6: Final answer
    x = 2,538.12

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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.