Home / 7,151.40-10,734.30-3,456.60

Finding the Fourth Proportional to 7,151.40, 10,734.30 and 3,456.60

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Solution

The fourth proportional to 7,151.40, 10,734.30 and 3,456.60 is: 5,188.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151.40 : 10,734.30 = 3,456.60 : x
  2. Step 2: Convert to fraction form
    7,151.40/10,734.30 = 3,456.60/x
  3. Step 3: Cross multiply
    7,151.40x = 10,734.30 × 3,456.60
  4. Step 4: Simplify right side
    7,151.40x = 37,104,181.38
  5. Step 5: Solve for x
    x = 37,104,181.38/7,151.40
  6. Step 6: Final answer
    x = 5,188.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.