Home / 6,524.16-9,786.56-2,142.88

Finding the Fourth Proportional to 6,524.16, 9,786.56 and 2,142.88

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Solution

The fourth proportional to 6,524.16, 9,786.56 and 2,142.88 is: 3,214.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,524.16 : 9,786.56 = 2,142.88 : x
  2. Step 2: Convert to fraction form
    6,524.16/9,786.56 = 2,142.88/x
  3. Step 3: Cross multiply
    6,524.16x = 9,786.56 × 2,142.88
  4. Step 4: Simplify right side
    6,524.16x = 20,971,423.69
  5. Step 5: Solve for x
    x = 20,971,423.69/6,524.16
  6. Step 6: Final answer
    x = 3,214.43

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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.