Home / 7,359.60-11,039.40-7,286.70

Finding the Fourth Proportional to 7,359.60, 11,039.40 and 7,286.70

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Solution

The fourth proportional to 7,359.60, 11,039.40 and 7,286.70 is: 10,930.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,359.60 : 11,039.40 = 7,286.70 : x
  2. Step 2: Convert to fraction form
    7,359.60/11,039.40 = 7,286.70/x
  3. Step 3: Cross multiply
    7,359.60x = 11,039.40 × 7,286.70
  4. Step 4: Simplify right side
    7,359.60x = 80,440,795.98
  5. Step 5: Solve for x
    x = 80,440,795.98/7,359.60
  6. Step 6: Final answer
    x = 10,930.05

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Similar ratio
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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.