Home / 7,748.28-11,622.38-2,817.90

Finding the Fourth Proportional to 7,748.28, 11,622.38 and 2,817.90

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Solution

The fourth proportional to 7,748.28, 11,622.38 and 2,817.90 is: 4,226.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,748.28 : 11,622.38 = 2,817.90 : x
  2. Step 2: Convert to fraction form
    7,748.28/11,622.38 = 2,817.90/x
  3. Step 3: Cross multiply
    7,748.28x = 11,622.38 × 2,817.90
  4. Step 4: Simplify right side
    7,748.28x = 32,750,690.51
  5. Step 5: Solve for x
    x = 32,750,690.51/7,748.28
  6. Step 6: Final answer
    x = 4,226.83

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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.