Home / 7,675.26-11,512.89-5,077.59

Finding the Fourth Proportional to 7,675.26, 11,512.89 and 5,077.59

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Solution

The fourth proportional to 7,675.26, 11,512.89 and 5,077.59 is: 7,616.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,675.26 : 11,512.89 = 5,077.59 : x
  2. Step 2: Convert to fraction form
    7,675.26/11,512.89 = 5,077.59/x
  3. Step 3: Cross multiply
    7,675.26x = 11,512.89 × 5,077.59
  4. Step 4: Simplify right side
    7,675.26x = 58,457,735.14
  5. Step 5: Solve for x
    x = 58,457,735.14/7,675.26
  6. Step 6: Final answer
    x = 7,616.39

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.