Home / 4,639.50-6,402.78-2,650.68

Finding the Fourth Proportional to 4,639.50, 6,402.78 and 2,650.68

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Solution

The fourth proportional to 4,639.50, 6,402.78 and 2,650.68 is: 3,658.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.50 : 6,402.78 = 2,650.68 : x
  2. Step 2: Convert to fraction form
    4,639.50/6,402.78 = 2,650.68/x
  3. Step 3: Cross multiply
    4,639.50x = 6,402.78 × 2,650.68
  4. Step 4: Simplify right side
    4,639.50x = 16,971,720.89
  5. Step 5: Solve for x
    x = 16,971,720.89/4,639.50
  6. Step 6: Final answer
    x = 3,658.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.