Home / 4,455.84-6,678.72-2,144.64

Finding the Fourth Proportional to 4,455.84, 6,678.72 and 2,144.64

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Solution

The fourth proportional to 4,455.84, 6,678.72 and 2,144.64 is: 3,214.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455.84 : 6,678.72 = 2,144.64 : x
  2. Step 2: Convert to fraction form
    4,455.84/6,678.72 = 2,144.64/x
  3. Step 3: Cross multiply
    4,455.84x = 6,678.72 × 2,144.64
  4. Step 4: Simplify right side
    4,455.84x = 14,323,450.06
  5. Step 5: Solve for x
    x = 14,323,450.06/4,455.84
  6. Step 6: Final answer
    x = 3,214.53

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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.