Home / 6,525.30-9,789.62-2,142.79

Finding the Fourth Proportional to 6,525.30, 9,789.62 and 2,142.79

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Solution

The fourth proportional to 6,525.30, 9,789.62 and 2,142.79 is: 3,214.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,525.30 : 9,789.62 = 2,142.79 : x
  2. Step 2: Convert to fraction form
    6,525.30/9,789.62 = 2,142.79/x
  3. Step 3: Cross multiply
    6,525.30x = 9,789.62 × 2,142.79
  4. Step 4: Simplify right side
    6,525.30x = 20,977,099.84
  5. Step 5: Solve for x
    x = 20,977,099.84/6,525.30
  6. Step 6: Final answer
    x = 3,214.73

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1.5x scale

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.