Home / 5,440.23-8,160.72-1,691.50

Finding the Fourth Proportional to 5,440.23, 8,160.72 and 1,691.50

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Solution

The fourth proportional to 5,440.23, 8,160.72 and 1,691.50 is: 2,537.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.23 : 8,160.72 = 1,691.50 : x
  2. Step 2: Convert to fraction form
    5,440.23/8,160.72 = 1,691.50/x
  3. Step 3: Cross multiply
    5,440.23x = 8,160.72 × 1,691.50
  4. Step 4: Simplify right side
    5,440.23x = 13,803,857.88
  5. Step 5: Solve for x
    x = 13,803,857.88/5,440.23
  6. Step 6: Final answer
    x = 2,537.37

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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.