Home / 5,407.54-7,456.18-3,993.28

Finding the Fourth Proportional to 5,407.54, 7,456.18 and 3,993.28

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Solution

The fourth proportional to 5,407.54, 7,456.18 and 3,993.28 is: 5,506.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407.54 : 7,456.18 = 3,993.28 : x
  2. Step 2: Convert to fraction form
    5,407.54/7,456.18 = 3,993.28/x
  3. Step 3: Cross multiply
    5,407.54x = 7,456.18 × 3,993.28
  4. Step 4: Simplify right side
    5,407.54x = 29,774,614.47
  5. Step 5: Solve for x
    x = 29,774,614.47/5,407.54
  6. Step 6: Final answer
    x = 5,506.13

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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.