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Finding the Fourth Proportional to 6,156.40, 8,495.82 and 3,361.90

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Solution

The fourth proportional to 6,156.40, 8,495.82 and 3,361.90 is: 4,639.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,156.40 : 8,495.82 = 3,361.90 : x
  2. Step 2: Convert to fraction form
    6,156.40/8,495.82 = 3,361.90/x
  3. Step 3: Cross multiply
    6,156.40x = 8,495.82 × 3,361.90
  4. Step 4: Simplify right side
    6,156.40x = 28,562,097.26
  5. Step 5: Solve for x
    x = 28,562,097.26/6,156.40
  6. Step 6: Final answer
    x = 4,639.42

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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.