Home / 6,748.87-10,123.28-1,819.01

Finding the Fourth Proportional to 6,748.87, 10,123.28 and 1,819.01

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Solution

The fourth proportional to 6,748.87, 10,123.28 and 1,819.01 is: 2,728.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,748.87 : 10,123.28 = 1,819.01 : x
  2. Step 2: Convert to fraction form
    6,748.87/10,123.28 = 1,819.01/x
  3. Step 3: Cross multiply
    6,748.87x = 10,123.28 × 1,819.01
  4. Step 4: Simplify right side
    6,748.87x = 18,414,313.64
  5. Step 5: Solve for x
    x = 18,414,313.64/6,748.87
  6. Step 6: Final answer
    x = 2,728.50

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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.