Home / 6,272.64-8,656.56-3,620.88

Finding the Fourth Proportional to 6,272.64, 8,656.56 and 3,620.88

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Solution

The fourth proportional to 6,272.64, 8,656.56 and 3,620.88 is: 4,997.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,272.64 : 8,656.56 = 3,620.88 : x
  2. Step 2: Convert to fraction form
    6,272.64/8,656.56 = 3,620.88/x
  3. Step 3: Cross multiply
    6,272.64x = 8,656.56 × 3,620.88
  4. Step 4: Simplify right side
    6,272.64x = 31,344,364.97
  5. Step 5: Solve for x
    x = 31,344,364.97/6,272.64
  6. Step 6: Final answer
    x = 4,997.00

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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.