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Finding the Fourth Proportional to 6,253.30, 8,630.44 and 3,600.64

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Solution

The fourth proportional to 6,253.30, 8,630.44 and 3,600.64 is: 4,969.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,253.30 : 8,630.44 = 3,600.64 : x
  2. Step 2: Convert to fraction form
    6,253.30/8,630.44 = 3,600.64/x
  3. Step 3: Cross multiply
    6,253.30x = 8,630.44 × 3,600.64
  4. Step 4: Simplify right side
    6,253.30x = 31,075,107.48
  5. Step 5: Solve for x
    x = 31,075,107.48/6,253.30
  6. Step 6: Final answer
    x = 4,969.39

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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.