Home / 6,627.10-9,940.65-3,171.10

Finding the Fourth Proportional to 6,627.10, 9,940.65 and 3,171.10

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Solution

The fourth proportional to 6,627.10, 9,940.65 and 3,171.10 is: 4,756.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,627.10 : 9,940.65 = 3,171.10 : x
  2. Step 2: Convert to fraction form
    6,627.10/9,940.65 = 3,171.10/x
  3. Step 3: Cross multiply
    6,627.10x = 9,940.65 × 3,171.10
  4. Step 4: Simplify right side
    6,627.10x = 31,522,795.22
  5. Step 5: Solve for x
    x = 31,522,795.22/6,627.10
  6. Step 6: Final answer
    x = 4,756.65

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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.