Home / 8,228.40-11,352.20-5,245.58

Finding the Fourth Proportional to 8,228.40, 11,352.20 and 5,245.58

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Solution

The fourth proportional to 8,228.40, 11,352.20 and 5,245.58 is: 7,236.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,228.40 : 11,352.20 = 5,245.58 : x
  2. Step 2: Convert to fraction form
    8,228.40/11,352.20 = 5,245.58/x
  3. Step 3: Cross multiply
    8,228.40x = 11,352.20 × 5,245.58
  4. Step 4: Simplify right side
    8,228.40x = 59,548,873.28
  5. Step 5: Solve for x
    x = 59,548,873.28/8,228.40
  6. Step 6: Final answer
    x = 7,236.99

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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.