Home / 5,140.34-7,712.44-3,061.54

Finding the Fourth Proportional to 5,140.34, 7,712.44 and 3,061.54

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Solution

The fourth proportional to 5,140.34, 7,712.44 and 3,061.54 is: 4,593.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.34 : 7,712.44 = 3,061.54 : x
  2. Step 2: Convert to fraction form
    5,140.34/7,712.44 = 3,061.54/x
  3. Step 3: Cross multiply
    5,140.34x = 7,712.44 × 3,061.54
  4. Step 4: Simplify right side
    5,140.34x = 23,611,943.56
  5. Step 5: Solve for x
    x = 23,611,943.56/5,140.34
  6. Step 6: Final answer
    x = 4,593.46

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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.