Home / 7,882.08-11,814.90-2,949.57

Finding the Fourth Proportional to 7,882.08, 11,814.90 and 2,949.57

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Solution

The fourth proportional to 7,882.08, 11,814.90 and 2,949.57 is: 4,421.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,882.08 : 11,814.90 = 2,949.57 : x
  2. Step 2: Convert to fraction form
    7,882.08/11,814.90 = 2,949.57/x
  3. Step 3: Cross multiply
    7,882.08x = 11,814.90 × 2,949.57
  4. Step 4: Simplify right side
    7,882.08x = 34,848,874.59
  5. Step 5: Solve for x
    x = 34,848,874.59/7,882.08
  6. Step 6: Final answer
    x = 4,421.28

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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.