Home / 8,160.74-11,261.59-4,625.09

Finding the Fourth Proportional to 8,160.74, 11,261.59 and 4,625.09

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Solution

The fourth proportional to 8,160.74, 11,261.59 and 4,625.09 is: 6,382.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160.74 : 11,261.59 = 4,625.09 : x
  2. Step 2: Convert to fraction form
    8,160.74/11,261.59 = 4,625.09/x
  3. Step 3: Cross multiply
    8,160.74x = 11,261.59 × 4,625.09
  4. Step 4: Simplify right side
    8,160.74x = 52,085,867.29
  5. Step 5: Solve for x
    x = 52,085,867.29/8,160.74
  6. Step 6: Final answer
    x = 6,382.49

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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.