Home / 5,429.73-7,493.19-3,071.82

Finding the Fourth Proportional to 5,429.73, 7,493.19 and 3,071.82

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Solution

The fourth proportional to 5,429.73, 7,493.19 and 3,071.82 is: 4,239.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429.73 : 7,493.19 = 3,071.82 : x
  2. Step 2: Convert to fraction form
    5,429.73/7,493.19 = 3,071.82/x
  3. Step 3: Cross multiply
    5,429.73x = 7,493.19 × 3,071.82
  4. Step 4: Simplify right side
    5,429.73x = 23,017,730.91
  5. Step 5: Solve for x
    x = 23,017,730.91/5,429.73
  6. Step 6: Final answer
    x = 4,239.20

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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.