Home / 4,838.58-6,678.45-2,974.50

Finding the Fourth Proportional to 4,838.58, 6,678.45 and 2,974.50

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Solution

The fourth proportional to 4,838.58, 6,678.45 and 2,974.50 is: 4,105.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,838.58 : 6,678.45 = 2,974.50 : x
  2. Step 2: Convert to fraction form
    4,838.58/6,678.45 = 2,974.50/x
  3. Step 3: Cross multiply
    4,838.58x = 6,678.45 × 2,974.50
  4. Step 4: Simplify right side
    4,838.58x = 19,865,049.53
  5. Step 5: Solve for x
    x = 19,865,049.53/4,838.58
  6. Step 6: Final answer
    x = 4,105.55

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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.