Home / 6,644.20-9,966.30-2,748.70

Finding the Fourth Proportional to 6,644.20, 9,966.30 and 2,748.70

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Solution

The fourth proportional to 6,644.20, 9,966.30 and 2,748.70 is: 4,123.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,644.20 : 9,966.30 = 2,748.70 : x
  2. Step 2: Convert to fraction form
    6,644.20/9,966.30 = 2,748.70/x
  3. Step 3: Cross multiply
    6,644.20x = 9,966.30 × 2,748.70
  4. Step 4: Simplify right side
    6,644.20x = 27,394,368.81
  5. Step 5: Solve for x
    x = 27,394,368.81/6,644.20
  6. Step 6: Final answer
    x = 4,123.05

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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.