Home / 6,820.38-10,234.50-2,871.33

Finding the Fourth Proportional to 6,820.38, 10,234.50 and 2,871.33

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Solution

The fourth proportional to 6,820.38, 10,234.50 and 2,871.33 is: 4,308.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,820.38 : 10,234.50 = 2,871.33 : x
  2. Step 2: Convert to fraction form
    6,820.38/10,234.50 = 2,871.33/x
  3. Step 3: Cross multiply
    6,820.38x = 10,234.50 × 2,871.33
  4. Step 4: Simplify right side
    6,820.38x = 29,386,626.89
  5. Step 5: Solve for x
    x = 29,386,626.89/6,820.38
  6. Step 6: Final answer
    x = 4,308.65

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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.