Home / 5,193.69-7,790.53-2,422.30

Finding the Fourth Proportional to 5,193.69, 7,790.53 and 2,422.30

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Solution

The fourth proportional to 5,193.69, 7,790.53 and 2,422.30 is: 3,633.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,193.69 : 7,790.53 = 2,422.30 : x
  2. Step 2: Convert to fraction form
    5,193.69/7,790.53 = 2,422.30/x
  3. Step 3: Cross multiply
    5,193.69x = 7,790.53 × 2,422.30
  4. Step 4: Simplify right side
    5,193.69x = 18,870,972.53
  5. Step 5: Solve for x
    x = 18,870,972.53/5,193.69
  6. Step 6: Final answer
    x = 3,633.44

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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.