Home / 4,678.84-6,451.50-3,836.89

Finding the Fourth Proportional to 4,678.84, 6,451.50 and 3,836.89

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Solution

The fourth proportional to 4,678.84, 6,451.50 and 3,836.89 is: 5,290.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678.84 : 6,451.50 = 3,836.89 : x
  2. Step 2: Convert to fraction form
    4,678.84/6,451.50 = 3,836.89/x
  3. Step 3: Cross multiply
    4,678.84x = 6,451.50 × 3,836.89
  4. Step 4: Simplify right side
    4,678.84x = 24,753,695.84
  5. Step 5: Solve for x
    x = 24,753,695.84/4,678.84
  6. Step 6: Final answer
    x = 5,290.56

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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.