Home / 7,021.84-10,532.44-2,638.96

Finding the Fourth Proportional to 7,021.84, 10,532.44 and 2,638.96

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Solution

The fourth proportional to 7,021.84, 10,532.44 and 2,638.96 is: 3,958.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021.84 : 10,532.44 = 2,638.96 : x
  2. Step 2: Convert to fraction form
    7,021.84/10,532.44 = 2,638.96/x
  3. Step 3: Cross multiply
    7,021.84x = 10,532.44 × 2,638.96
  4. Step 4: Simplify right side
    7,021.84x = 27,794,687.86
  5. Step 5: Solve for x
    x = 27,794,687.86/7,021.84
  6. Step 6: Final answer
    x = 3,958.32

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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.