Home / 8,354.50-11,529.21-4,997.46

Finding the Fourth Proportional to 8,354.50, 11,529.21 and 4,997.46

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Solution

The fourth proportional to 8,354.50, 11,529.21 and 4,997.46 is: 6,896.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,354.50 : 11,529.21 = 4,997.46 : x
  2. Step 2: Convert to fraction form
    8,354.50/11,529.21 = 4,997.46/x
  3. Step 3: Cross multiply
    8,354.50x = 11,529.21 × 4,997.46
  4. Step 4: Simplify right side
    8,354.50x = 57,616,720.65
  5. Step 5: Solve for x
    x = 57,616,720.65/8,354.50
  6. Step 6: Final answer
    x = 6,896.49

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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.