Home / 6,627.86-9,146.70-3,643.94

Finding the Fourth Proportional to 6,627.86, 9,146.70 and 3,643.94

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Solution

The fourth proportional to 6,627.86, 9,146.70 and 3,643.94 is: 5,028.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,627.86 : 9,146.70 = 3,643.94 : x
  2. Step 2: Convert to fraction form
    6,627.86/9,146.70 = 3,643.94/x
  3. Step 3: Cross multiply
    6,627.86x = 9,146.70 × 3,643.94
  4. Step 4: Simplify right side
    6,627.86x = 33,330,026.00
  5. Step 5: Solve for x
    x = 33,330,026.00/6,627.86
  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.