Home / 6,527.72-9,791.51-2,145.12

Finding the Fourth Proportional to 6,527.72, 9,791.51 and 2,145.12

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Solution

The fourth proportional to 6,527.72, 9,791.51 and 2,145.12 is: 3,217.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,527.72 : 9,791.51 = 2,145.12 : x
  2. Step 2: Convert to fraction form
    6,527.72/9,791.51 = 2,145.12/x
  3. Step 3: Cross multiply
    6,527.72x = 9,791.51 × 2,145.12
  4. Step 4: Simplify right side
    6,527.72x = 21,003,953.21
  5. Step 5: Solve for x
    x = 21,003,953.21/6,527.72
  6. Step 6: Final answer
    x = 3,217.66

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Double scale
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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.