Home / 6,771.12-10,156.68-2,878.80

Finding the Fourth Proportional to 6,771.12, 10,156.68 and 2,878.80

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Solution

The fourth proportional to 6,771.12, 10,156.68 and 2,878.80 is: 4,318.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,771.12 : 10,156.68 = 2,878.80 : x
  2. Step 2: Convert to fraction form
    6,771.12/10,156.68 = 2,878.80/x
  3. Step 3: Cross multiply
    6,771.12x = 10,156.68 × 2,878.80
  4. Step 4: Simplify right side
    6,771.12x = 29,239,050.38
  5. Step 5: Solve for x
    x = 29,239,050.38/6,771.12
  6. Step 6: Final answer
    x = 4,318.20

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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.