Home / 8,134.29-11,234.54-5,477.09

Finding the Fourth Proportional to 8,134.29, 11,234.54 and 5,477.09

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Solution

The fourth proportional to 8,134.29, 11,234.54 and 5,477.09 is: 7,564.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,134.29 : 11,234.54 = 5,477.09 : x
  2. Step 2: Convert to fraction form
    8,134.29/11,234.54 = 5,477.09/x
  3. Step 3: Cross multiply
    8,134.29x = 11,234.54 × 5,477.09
  4. Step 4: Simplify right side
    8,134.29x = 61,532,544.21
  5. Step 5: Solve for x
    x = 61,532,544.21/8,134.29
  6. Step 6: Final answer
    x = 7,564.59

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Half 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.