Home / 4,102.70-6,150.45-2,459.90

Finding the Fourth Proportional to 4,102.70, 6,150.45 and 2,459.90

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Solution

The fourth proportional to 4,102.70, 6,150.45 and 2,459.90 is: 3,687.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.70 : 6,150.45 = 2,459.90 : x
  2. Step 2: Convert to fraction form
    4,102.70/6,150.45 = 2,459.90/x
  3. Step 3: Cross multiply
    4,102.70x = 6,150.45 × 2,459.90
  4. Step 4: Simplify right side
    4,102.70x = 15,129,491.96
  5. Step 5: Solve for x
    x = 15,129,491.96/4,102.70
  6. Step 6: Final answer
    x = 3,687.69

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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.