Home / 8,747.34-13,107.90-3,814.30

Finding the Fourth Proportional to 8,747.34, 13,107.90 and 3,814.30

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Solution

The fourth proportional to 8,747.34, 13,107.90 and 3,814.30 is: 5,715.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.34 : 13,107.90 = 3,814.30 : x
  2. Step 2: Convert to fraction form
    8,747.34/13,107.90 = 3,814.30/x
  3. Step 3: Cross multiply
    8,747.34x = 13,107.90 × 3,814.30
  4. Step 4: Simplify right side
    8,747.34x = 49,997,462.97
  5. Step 5: Solve for x
    x = 49,997,462.97/8,747.34
  6. Step 6: Final answer
    x = 5,715.73

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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.