Home / 6,627.67-9,146.55-3,643.90

Finding the Fourth Proportional to 6,627.67, 9,146.55 and 3,643.90

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Solution

The fourth proportional to 6,627.67, 9,146.55 and 3,643.90 is: 5,028.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,627.67 : 9,146.55 = 3,643.90 : x
  2. Step 2: Convert to fraction form
    6,627.67/9,146.55 = 3,643.90/x
  3. Step 3: Cross multiply
    6,627.67x = 9,146.55 × 3,643.90
  4. Step 4: Simplify right side
    6,627.67x = 33,329,113.55
  5. Step 5: Solve for x
    x = 33,329,113.55/6,627.67
  6. Step 6: Final answer
    x = 5,028.78

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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.