Home / 5,849-8,071.62-3,862.88

Finding the Fourth Proportional to 5,849, 8,071.62 and 3,862.88

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Solution

The fourth proportional to 5,849, 8,071.62 and 3,862.88 is: 5,330.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,849 : 8,071.62 = 3,862.88 : x
  2. Step 2: Convert to fraction form
    5,849/8,071.62 = 3,862.88/x
  3. Step 3: Cross multiply
    5,849x = 8,071.62 × 3,862.88
  4. Step 4: Simplify right side
    5,849x = 31,179,699.47
  5. Step 5: Solve for x
    x = 31,179,699.47/5,849
  6. Step 6: Final answer
    x = 5,330.77

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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.