Home / 7,204.80-10,811.79-6,663.72

Finding the Fourth Proportional to 7,204.80, 10,811.79 and 6,663.72

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Solution

The fourth proportional to 7,204.80, 10,811.79 and 6,663.72 is: 9,999.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,204.80 : 10,811.79 = 6,663.72 : x
  2. Step 2: Convert to fraction form
    7,204.80/10,811.79 = 6,663.72/x
  3. Step 3: Cross multiply
    7,204.80x = 10,811.79 × 6,663.72
  4. Step 4: Simplify right side
    7,204.80x = 72,046,741.26
  5. Step 5: Solve for x
    x = 72,046,741.26/7,204.80
  6. Step 6: Final answer
    x = 9,999.83

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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.