Home / 7,142.46-10,717.34-3,246.36

Finding the Fourth Proportional to 7,142.46, 10,717.34 and 3,246.36

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Solution

The fourth proportional to 7,142.46, 10,717.34 and 3,246.36 is: 4,871.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,142.46 : 10,717.34 = 3,246.36 : x
  2. Step 2: Convert to fraction form
    7,142.46/10,717.34 = 3,246.36/x
  3. Step 3: Cross multiply
    7,142.46x = 10,717.34 × 3,246.36
  4. Step 4: Simplify right side
    7,142.46x = 34,792,327.65
  5. Step 5: Solve for x
    x = 34,792,327.65/7,142.46
  6. Step 6: Final answer
    x = 4,871.20

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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.