Home / 8,262.60-12,393.36-3,326.28

Finding the Fourth Proportional to 8,262.60, 12,393.36 and 3,326.28

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Solution

The fourth proportional to 8,262.60, 12,393.36 and 3,326.28 is: 4,989.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,262.60 : 12,393.36 = 3,326.28 : x
  2. Step 2: Convert to fraction form
    8,262.60/12,393.36 = 3,326.28/x
  3. Step 3: Cross multiply
    8,262.60x = 12,393.36 × 3,326.28
  4. Step 4: Simplify right side
    8,262.60x = 41,223,785.50
  5. Step 5: Solve for x
    x = 41,223,785.50/8,262.60
  6. Step 6: Final answer
    x = 4,989.20

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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.