Home / 5,431.41-7,483.77-3,659.94

Finding the Fourth Proportional to 5,431.41, 7,483.77 and 3,659.94

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Solution

The fourth proportional to 5,431.41, 7,483.77 and 3,659.94 is: 5,042.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431.41 : 7,483.77 = 3,659.94 : x
  2. Step 2: Convert to fraction form
    5,431.41/7,483.77 = 3,659.94/x
  3. Step 3: Cross multiply
    5,431.41x = 7,483.77 × 3,659.94
  4. Step 4: Simplify right side
    5,431.41x = 27,390,149.17
  5. Step 5: Solve for x
    x = 27,390,149.17/5,431.41
  6. Step 6: Final answer
    x = 5,042.92

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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.