Home / 5,403.62-7,456.92-3,045.98

Finding the Fourth Proportional to 5,403.62, 7,456.92 and 3,045.98

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Solution

The fourth proportional to 5,403.62, 7,456.92 and 3,045.98 is: 4,203.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.62 : 7,456.92 = 3,045.98 : x
  2. Step 2: Convert to fraction form
    5,403.62/7,456.92 = 3,045.98/x
  3. Step 3: Cross multiply
    5,403.62x = 7,456.92 × 3,045.98
  4. Step 4: Simplify right side
    5,403.62x = 22,713,629.18
  5. Step 5: Solve for x
    x = 22,713,629.18/5,403.62
  6. Step 6: Final answer
    x = 4,203.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.