Home / 8,210.52-11,334.18-6,321.42

Finding the Fourth Proportional to 8,210.52, 11,334.18 and 6,321.42

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Solution

The fourth proportional to 8,210.52, 11,334.18 and 6,321.42 is: 8,726.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,210.52 : 11,334.18 = 6,321.42 : x
  2. Step 2: Convert to fraction form
    8,210.52/11,334.18 = 6,321.42/x
  3. Step 3: Cross multiply
    8,210.52x = 11,334.18 × 6,321.42
  4. Step 4: Simplify right side
    8,210.52x = 71,648,112.14
  5. Step 5: Solve for x
    x = 71,648,112.14/8,210.52
  6. Step 6: Final answer
    x = 8,726.38

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Half scale
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Double scale
Find fourth proportional to 8,211.52, 11,335.56 and 6,322.42
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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.