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Finding the Fourth Proportional to 6,245.84, 8,619 and 3,593.64

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Solution

The fourth proportional to 6,245.84, 8,619 and 3,593.64 is: 4,959.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,245.84 : 8,619 = 3,593.64 : x
  2. Step 2: Convert to fraction form
    6,245.84/8,619 = 3,593.64/x
  3. Step 3: Cross multiply
    6,245.84x = 8,619 × 3,593.64
  4. Step 4: Simplify right side
    6,245.84x = 30,973,583.16
  5. Step 5: Solve for x
    x = 30,973,583.16/6,245.84
  6. Step 6: Final answer
    x = 4,959.07

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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.