Home / 6,627.88-9,147.45-4,506.49

Finding the Fourth Proportional to 6,627.88, 9,147.45 and 4,506.49

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Solution

The fourth proportional to 6,627.88, 9,147.45 and 4,506.49 is: 6,219.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,627.88 : 9,147.45 = 4,506.49 : x
  2. Step 2: Convert to fraction form
    6,627.88/9,147.45 = 4,506.49/x
  3. Step 3: Cross multiply
    6,627.88x = 9,147.45 × 4,506.49
  4. Step 4: Simplify right side
    6,627.88x = 41,222,891.95
  5. Step 5: Solve for x
    x = 41,222,891.95/6,627.88
  6. Step 6: Final answer
    x = 6,219.62

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1.5x scale

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.