Home / 8,199.04-11,313.12-4,660.96

Finding the Fourth Proportional to 8,199.04, 11,313.12 and 4,660.96

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Solution

The fourth proportional to 8,199.04, 11,313.12 and 4,660.96 is: 6,431.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,199.04 : 11,313.12 = 4,660.96 : x
  2. Step 2: Convert to fraction form
    8,199.04/11,313.12 = 4,660.96/x
  3. Step 3: Cross multiply
    8,199.04x = 11,313.12 × 4,660.96
  4. Step 4: Simplify right side
    8,199.04x = 52,729,999.80
  5. Step 5: Solve for x
    x = 52,729,999.80/8,199.04
  6. Step 6: Final answer
    x = 6,431.24

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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.