Home / 7,922.25-11,885.60-3,245.63

Finding the Fourth Proportional to 7,922.25, 11,885.60 and 3,245.63

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Solution

The fourth proportional to 7,922.25, 11,885.60 and 3,245.63 is: 4,869.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,922.25 : 11,885.60 = 3,245.63 : x
  2. Step 2: Convert to fraction form
    7,922.25/11,885.60 = 3,245.63/x
  3. Step 3: Cross multiply
    7,922.25x = 11,885.60 × 3,245.63
  4. Step 4: Simplify right side
    7,922.25x = 38,576,184.27
  5. Step 5: Solve for x
    x = 38,576,184.27/7,922.25
  6. Step 6: Final answer
    x = 4,869.35

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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.