Home / 6,525.40-9,786.05-2,141.86

Finding the Fourth Proportional to 6,525.40, 9,786.05 and 2,141.86

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Solution

The fourth proportional to 6,525.40, 9,786.05 and 2,141.86 is: 3,212.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,525.40 : 9,786.05 = 2,141.86 : x
  2. Step 2: Convert to fraction form
    6,525.40/9,786.05 = 2,141.86/x
  3. Step 3: Cross multiply
    6,525.40x = 9,786.05 × 2,141.86
  4. Step 4: Simplify right side
    6,525.40x = 20,960,349.05
  5. Step 5: Solve for x
    x = 20,960,349.05/6,525.40
  6. Step 6: Final answer
    x = 3,212.12

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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.