Home / 6,522.75-8,998.09-4,128.68

Finding the Fourth Proportional to 6,522.75, 8,998.09 and 4,128.68

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Solution

The fourth proportional to 6,522.75, 8,998.09 and 4,128.68 is: 5,695.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,522.75 : 8,998.09 = 4,128.68 : x
  2. Step 2: Convert to fraction form
    6,522.75/8,998.09 = 4,128.68/x
  3. Step 3: Cross multiply
    6,522.75x = 8,998.09 × 4,128.68
  4. Step 4: Simplify right side
    6,522.75x = 37,150,246.39
  5. Step 5: Solve for x
    x = 37,150,246.39/6,522.75
  6. Step 6: Final answer
    x = 5,695.49

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Half scale
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Double scale
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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.