Home / 4,920.42-6,790.80-2,824.50

Finding the Fourth Proportional to 4,920.42, 6,790.80 and 2,824.50

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Solution

The fourth proportional to 4,920.42, 6,790.80 and 2,824.50 is: 3,898.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.42 : 6,790.80 = 2,824.50 : x
  2. Step 2: Convert to fraction form
    4,920.42/6,790.80 = 2,824.50/x
  3. Step 3: Cross multiply
    4,920.42x = 6,790.80 × 2,824.50
  4. Step 4: Simplify right side
    4,920.42x = 19,180,614.60
  5. Step 5: Solve for x
    x = 19,180,614.60/4,920.42
  6. Step 6: Final answer
    x = 3,898.17

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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.