Home / 6,723.52-10,078.80-3,438.16

Finding the Fourth Proportional to 6,723.52, 10,078.80 and 3,438.16

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Solution

The fourth proportional to 6,723.52, 10,078.80 and 3,438.16 is: 5,153.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,723.52 : 10,078.80 = 3,438.16 : x
  2. Step 2: Convert to fraction form
    6,723.52/10,078.80 = 3,438.16/x
  3. Step 3: Cross multiply
    6,723.52x = 10,078.80 × 3,438.16
  4. Step 4: Simplify right side
    6,723.52x = 34,652,527.01
  5. Step 5: Solve for x
    x = 34,652,527.01/6,723.52
  6. Step 6: Final answer
    x = 5,153.93

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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.