Home / 5,193.55-7,790.30-1,297.96

Finding the Fourth Proportional to 5,193.55, 7,790.30 and 1,297.96

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Solution

The fourth proportional to 5,193.55, 7,790.30 and 1,297.96 is: 1,946.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,193.55 : 7,790.30 = 1,297.96 : x
  2. Step 2: Convert to fraction form
    5,193.55/7,790.30 = 1,297.96/x
  3. Step 3: Cross multiply
    5,193.55x = 7,790.30 × 1,297.96
  4. Step 4: Simplify right side
    5,193.55x = 10,111,471.82
  5. Step 5: Solve for x
    x = 10,111,471.82/5,193.55
  6. Step 6: Final answer
    x = 1,946.93

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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.