Home / 6,785.42-10,163.10-5,213.86

Finding the Fourth Proportional to 6,785.42, 10,163.10 and 5,213.86

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Solution

The fourth proportional to 6,785.42, 10,163.10 and 5,213.86 is: 7,809.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,785.42 : 10,163.10 = 5,213.86 : x
  2. Step 2: Convert to fraction form
    6,785.42/10,163.10 = 5,213.86/x
  3. Step 3: Cross multiply
    6,785.42x = 10,163.10 × 5,213.86
  4. Step 4: Simplify right side
    6,785.42x = 52,988,935.61
  5. Step 5: Solve for x
    x = 52,988,935.61/6,785.42
  6. Step 6: Final answer
    x = 7,809.23

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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.