Home / 5,640.50-8,452.55-4,000.25

Finding the Fourth Proportional to 5,640.50, 8,452.55 and 4,000.25

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Solution

The fourth proportional to 5,640.50, 8,452.55 and 4,000.25 is: 5,994.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,640.50 : 8,452.55 = 4,000.25 : x
  2. Step 2: Convert to fraction form
    5,640.50/8,452.55 = 4,000.25/x
  3. Step 3: Cross multiply
    5,640.50x = 8,452.55 × 4,000.25
  4. Step 4: Simplify right side
    5,640.50x = 33,812,344.27
  5. Step 5: Solve for x
    x = 33,812,344.27/5,640.50
  6. Step 6: Final answer
    x = 5,994.56

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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.