Home / 4,885.36-7,322.68-3,218.80

Finding the Fourth Proportional to 4,885.36, 7,322.68 and 3,218.80

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Solution

The fourth proportional to 4,885.36, 7,322.68 and 3,218.80 is: 4,824.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.36 : 7,322.68 = 3,218.80 : x
  2. Step 2: Convert to fraction form
    4,885.36/7,322.68 = 3,218.80/x
  3. Step 3: Cross multiply
    4,885.36x = 7,322.68 × 3,218.80
  4. Step 4: Simplify right side
    4,885.36x = 23,570,242.38
  5. Step 5: Solve for x
    x = 23,570,242.38/4,885.36
  6. Step 6: Final answer
    x = 4,824.67

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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.