Home / 5,214.21-7,817.00-2,439.42

Finding the Fourth Proportional to 5,214.21, 7,817.00 and 2,439.42

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Solution

The fourth proportional to 5,214.21, 7,817.00 and 2,439.42 is: 3,657.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214.21 : 7,817.00 = 2,439.42 : x
  2. Step 2: Convert to fraction form
    5,214.21/7,817.00 = 2,439.42/x
  3. Step 3: Cross multiply
    5,214.21x = 7,817.00 × 2,439.42
  4. Step 4: Simplify right side
    5,214.21x = 19,068,933.94
  5. Step 5: Solve for x
    x = 19,068,933.94/5,214.21
  6. Step 6: Final answer
    x = 3,657.11

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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.