Home / 6,716.55-10,078.28-2,770.85

Finding the Fourth Proportional to 6,716.55, 10,078.28 and 2,770.85

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Solution

The fourth proportional to 6,716.55, 10,078.28 and 2,770.85 is: 4,157.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,716.55 : 10,078.28 = 2,770.85 : x
  2. Step 2: Convert to fraction form
    6,716.55/10,078.28 = 2,770.85/x
  3. Step 3: Cross multiply
    6,716.55x = 10,078.28 × 2,770.85
  4. Step 4: Simplify right side
    6,716.55x = 27,925,337.89
  5. Step 5: Solve for x
    x = 27,925,337.89/6,716.55
  6. Step 6: Final answer
    x = 4,157.69

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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.