Home / 7,189.20-10,783.44-2,507.76

Finding the Fourth Proportional to 7,189.20, 10,783.44 and 2,507.76

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Solution

The fourth proportional to 7,189.20, 10,783.44 and 2,507.76 is: 3,761.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,189.20 : 10,783.44 = 2,507.76 : x
  2. Step 2: Convert to fraction form
    7,189.20/10,783.44 = 2,507.76/x
  3. Step 3: Cross multiply
    7,189.20x = 10,783.44 × 2,507.76
  4. Step 4: Simplify right side
    7,189.20x = 27,042,279.49
  5. Step 5: Solve for x
    x = 27,042,279.49/7,189.20
  6. Step 6: Final answer
    x = 3,761.51

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Double scale
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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.