Home / 8,230.48-11,359.84-5,245.64

Finding the Fourth Proportional to 8,230.48, 11,359.84 and 5,245.64

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Solution

The fourth proportional to 8,230.48, 11,359.84 and 5,245.64 is: 7,240.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,230.48 : 11,359.84 = 5,245.64 : x
  2. Step 2: Convert to fraction form
    8,230.48/11,359.84 = 5,245.64/x
  3. Step 3: Cross multiply
    8,230.48x = 11,359.84 × 5,245.64
  4. Step 4: Simplify right side
    8,230.48x = 59,589,631.10
  5. Step 5: Solve for x
    x = 59,589,631.10/8,230.48
  6. Step 6: Final answer
    x = 7,240.12

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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.