Home / 4,455.94-6,679.47-3,678.34

Finding the Fourth Proportional to 4,455.94, 6,679.47 and 3,678.34

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Solution

The fourth proportional to 4,455.94, 6,679.47 and 3,678.34 is: 5,513.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455.94 : 6,679.47 = 3,678.34 : x
  2. Step 2: Convert to fraction form
    4,455.94/6,679.47 = 3,678.34/x
  3. Step 3: Cross multiply
    4,455.94x = 6,679.47 × 3,678.34
  4. Step 4: Simplify right side
    4,455.94x = 24,569,361.68
  5. Step 5: Solve for x
    x = 24,569,361.68/4,455.94
  6. Step 6: Final answer
    x = 5,513.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.