Home / 8,330.04-12,499.11-3,942.27

Finding the Fourth Proportional to 8,330.04, 12,499.11 and 3,942.27

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Solution

The fourth proportional to 8,330.04, 12,499.11 and 3,942.27 is: 5,915.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330.04 : 12,499.11 = 3,942.27 : x
  2. Step 2: Convert to fraction form
    8,330.04/12,499.11 = 3,942.27/x
  3. Step 3: Cross multiply
    8,330.04x = 12,499.11 × 3,942.27
  4. Step 4: Simplify right side
    8,330.04x = 49,274,866.38
  5. Step 5: Solve for x
    x = 49,274,866.38/8,330.04
  6. Step 6: Final answer
    x = 5,915.32

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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.