Home / 8,150.72-11,234.88-5,497.28

Finding the Fourth Proportional to 8,150.72, 11,234.88 and 5,497.28

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Solution

The fourth proportional to 8,150.72, 11,234.88 and 5,497.28 is: 7,577.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,150.72 : 11,234.88 = 5,497.28 : x
  2. Step 2: Convert to fraction form
    8,150.72/11,234.88 = 5,497.28/x
  3. Step 3: Cross multiply
    8,150.72x = 11,234.88 × 5,497.28
  4. Step 4: Simplify right side
    8,150.72x = 61,761,281.13
  5. Step 5: Solve for x
    x = 61,761,281.13/8,150.72
  6. Step 6: Final answer
    x = 7,577.40

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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.