Home / 8,302.45-11,452.14-4,942.75

Finding the Fourth Proportional to 8,302.45, 11,452.14 and 4,942.75

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Solution

The fourth proportional to 8,302.45, 11,452.14 and 4,942.75 is: 6,817.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,302.45 : 11,452.14 = 4,942.75 : x
  2. Step 2: Convert to fraction form
    8,302.45/11,452.14 = 4,942.75/x
  3. Step 3: Cross multiply
    8,302.45x = 11,452.14 × 4,942.75
  4. Step 4: Simplify right side
    8,302.45x = 56,605,064.99
  5. Step 5: Solve for x
    x = 56,605,064.99/8,302.45
  6. Step 6: Final answer
    x = 6,817.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.