Home / 8,453.08-12,679.62-5,635.96

Finding the Fourth Proportional to 8,453.08, 12,679.62 and 5,635.96

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Solution

The fourth proportional to 8,453.08, 12,679.62 and 5,635.96 is: 8,453.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,453.08 : 12,679.62 = 5,635.96 : x
  2. Step 2: Convert to fraction form
    8,453.08/12,679.62 = 5,635.96/x
  3. Step 3: Cross multiply
    8,453.08x = 12,679.62 × 5,635.96
  4. Step 4: Simplify right side
    8,453.08x = 71,461,831.14
  5. Step 5: Solve for x
    x = 71,461,831.14/8,453.08
  6. Step 6: Final answer
    x = 8,453.94

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.