Home / 8,168.76-11,272.23-4,632.30

Finding the Fourth Proportional to 8,168.76, 11,272.23 and 4,632.30

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Solution

The fourth proportional to 8,168.76, 11,272.23 and 4,632.30 is: 6,392.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168.76 : 11,272.23 = 4,632.30 : x
  2. Step 2: Convert to fraction form
    8,168.76/11,272.23 = 4,632.30/x
  3. Step 3: Cross multiply
    8,168.76x = 11,272.23 × 4,632.30
  4. Step 4: Simplify right side
    8,168.76x = 52,216,351.03
  5. Step 5: Solve for x
    x = 52,216,351.03/8,168.76
  6. Step 6: Final answer
    x = 6,392.20

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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.