Home / 7,156.56-10,737.93-3,871.97

Finding the Fourth Proportional to 7,156.56, 10,737.93 and 3,871.97

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Solution

The fourth proportional to 7,156.56, 10,737.93 and 3,871.97 is: 5,809.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,156.56 : 10,737.93 = 3,871.97 : x
  2. Step 2: Convert to fraction form
    7,156.56/10,737.93 = 3,871.97/x
  3. Step 3: Cross multiply
    7,156.56x = 10,737.93 × 3,871.97
  4. Step 4: Simplify right side
    7,156.56x = 41,576,889.13
  5. Step 5: Solve for x
    x = 41,576,889.13/7,156.56
  6. Step 6: Final answer
    x = 5,809.62

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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.