Home / 8,100.90-11,180.16-4,564.44

Finding the Fourth Proportional to 8,100.90, 11,180.16 and 4,564.44

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Solution

The fourth proportional to 8,100.90, 11,180.16 and 4,564.44 is: 6,299.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,100.90 : 11,180.16 = 4,564.44 : x
  2. Step 2: Convert to fraction form
    8,100.90/11,180.16 = 4,564.44/x
  3. Step 3: Cross multiply
    8,100.90x = 11,180.16 × 4,564.44
  4. Step 4: Simplify right side
    8,100.90x = 51,031,169.51
  5. Step 5: Solve for x
    x = 51,031,169.51/8,100.90
  6. Step 6: Final answer
    x = 6,299.44

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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.