Home / 7,270.20-10,905.18-3,166.20

Finding the Fourth Proportional to 7,270.20, 10,905.18 and 3,166.20

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Solution

The fourth proportional to 7,270.20, 10,905.18 and 3,166.20 is: 4,749.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,270.20 : 10,905.18 = 3,166.20 : x
  2. Step 2: Convert to fraction form
    7,270.20/10,905.18 = 3,166.20/x
  3. Step 3: Cross multiply
    7,270.20x = 10,905.18 × 3,166.20
  4. Step 4: Simplify right side
    7,270.20x = 34,527,980.92
  5. Step 5: Solve for x
    x = 34,527,980.92/7,270.20
  6. Step 6: Final answer
    x = 4,749.25

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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.