Home / 6,526.30-9,791.12-2,143.79

Finding the Fourth Proportional to 6,526.30, 9,791.12 and 2,143.79

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Solution

The fourth proportional to 6,526.30, 9,791.12 and 2,143.79 is: 3,216.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,526.30 : 9,791.12 = 2,143.79 : x
  2. Step 2: Convert to fraction form
    6,526.30/9,791.12 = 2,143.79/x
  3. Step 3: Cross multiply
    6,526.30x = 9,791.12 × 2,143.79
  4. Step 4: Simplify right side
    6,526.30x = 20,990,105.14
  5. Step 5: Solve for x
    x = 20,990,105.14/6,526.30
  6. Step 6: Final answer
    x = 3,216.23

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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.