Home / 5,660.67-8,487.90-1,962.57

Finding the Fourth Proportional to 5,660.67, 8,487.90 and 1,962.57

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Solution

The fourth proportional to 5,660.67, 8,487.90 and 1,962.57 is: 2,942.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,660.67 : 8,487.90 = 1,962.57 : x
  2. Step 2: Convert to fraction form
    5,660.67/8,487.90 = 1,962.57/x
  3. Step 3: Cross multiply
    5,660.67x = 8,487.90 × 1,962.57
  4. Step 4: Simplify right side
    5,660.67x = 16,658,097.90
  5. Step 5: Solve for x
    x = 16,658,097.90/5,660.67
  6. Step 6: Final answer
    x = 2,942.78

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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.