Home / 8,440.62-12,642.21-6,793.02

Finding the Fourth Proportional to 8,440.62, 12,642.21 and 6,793.02

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Solution

The fourth proportional to 8,440.62, 12,642.21 and 6,793.02 is: 10,174.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,440.62 : 12,642.21 = 6,793.02 : x
  2. Step 2: Convert to fraction form
    8,440.62/12,642.21 = 6,793.02/x
  3. Step 3: Cross multiply
    8,440.62x = 12,642.21 × 6,793.02
  4. Step 4: Simplify right side
    8,440.62x = 85,878,785.37
  5. Step 5: Solve for x
    x = 85,878,785.37/8,440.62
  6. Step 6: Final answer
    x = 10,174.46

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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.