Home / 6,723.20-10,074.90-4,878.20

Finding the Fourth Proportional to 6,723.20, 10,074.90 and 4,878.20

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Solution

The fourth proportional to 6,723.20, 10,074.90 and 4,878.20 is: 7,310.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,723.20 : 10,074.90 = 4,878.20 : x
  2. Step 2: Convert to fraction form
    6,723.20/10,074.90 = 4,878.20/x
  3. Step 3: Cross multiply
    6,723.20x = 10,074.90 × 4,878.20
  4. Step 4: Simplify right side
    6,723.20x = 49,147,377.18
  5. Step 5: Solve for x
    x = 49,147,377.18/6,723.20
  6. Step 6: Final answer
    x = 7,310.12

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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.