Home / 6,885.37-10,311.48-4,771.17

Finding the Fourth Proportional to 6,885.37, 10,311.48 and 4,771.17

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Solution

The fourth proportional to 6,885.37, 10,311.48 and 4,771.17 is: 7,145.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,885.37 : 10,311.48 = 4,771.17 : x
  2. Step 2: Convert to fraction form
    6,885.37/10,311.48 = 4,771.17/x
  3. Step 3: Cross multiply
    6,885.37x = 10,311.48 × 4,771.17
  4. Step 4: Simplify right side
    6,885.37x = 49,197,824.03
  5. Step 5: Solve for x
    x = 49,197,824.03/6,885.37
  6. Step 6: Final answer
    x = 7,145.27

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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.