Home / 8,326.45-11,490.58-4,549.73

Finding the Fourth Proportional to 8,326.45, 11,490.58 and 4,549.73

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Solution

The fourth proportional to 8,326.45, 11,490.58 and 4,549.73 is: 6,278.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,326.45 : 11,490.58 = 4,549.73 : x
  2. Step 2: Convert to fraction form
    8,326.45/11,490.58 = 4,549.73/x
  3. Step 3: Cross multiply
    8,326.45x = 11,490.58 × 4,549.73
  4. Step 4: Simplify right side
    8,326.45x = 52,279,036.54
  5. Step 5: Solve for x
    x = 52,279,036.54/8,326.45
  6. Step 6: Final answer
    x = 6,278.67

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Half scale
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Double scale
Find fourth proportional to 8,327.45, 11,491.96 and 4,550.73
Similar ratio
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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.