Home / 8,228.46-11,351.12-6,336.30

Finding the Fourth Proportional to 8,228.46, 11,351.12 and 6,336.30

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Solution

The fourth proportional to 8,228.46, 11,351.12 and 6,336.30 is: 8,740.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,228.46 : 11,351.12 = 6,336.30 : x
  2. Step 2: Convert to fraction form
    8,228.46/11,351.12 = 6,336.30/x
  3. Step 3: Cross multiply
    8,228.46x = 11,351.12 × 6,336.30
  4. Step 4: Simplify right side
    8,228.46x = 71,924,101.66
  5. Step 5: Solve for x
    x = 71,924,101.66/8,228.46
  6. Step 6: Final answer
    x = 8,740.89

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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.