Home / 8,126.76-11,214.54-4,590.48

Finding the Fourth Proportional to 8,126.76, 11,214.54 and 4,590.48

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Solution

The fourth proportional to 8,126.76, 11,214.54 and 4,590.48 is: 6,334.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,126.76 : 11,214.54 = 4,590.48 : x
  2. Step 2: Convert to fraction form
    8,126.76/11,214.54 = 4,590.48/x
  3. Step 3: Cross multiply
    8,126.76x = 11,214.54 × 4,590.48
  4. Step 4: Simplify right side
    8,126.76x = 51,480,121.58
  5. Step 5: Solve for x
    x = 51,480,121.58/8,126.76
  6. Step 6: Final answer
    x = 6,334.64

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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.