Home / 5,435.37-8,147.18-2,663.91

Finding the Fourth Proportional to 5,435.37, 8,147.18 and 2,663.91

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Solution

The fourth proportional to 5,435.37, 8,147.18 and 2,663.91 is: 3,992.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435.37 : 8,147.18 = 2,663.91 : x
  2. Step 2: Convert to fraction form
    5,435.37/8,147.18 = 2,663.91/x
  3. Step 3: Cross multiply
    5,435.37x = 8,147.18 × 2,663.91
  4. Step 4: Simplify right side
    5,435.37x = 21,703,340.95
  5. Step 5: Solve for x
    x = 21,703,340.95/5,435.37
  6. Step 6: Final answer
    x = 3,992.98

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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.