Home / 5,177.36-7,765.98-1,890.42

Finding the Fourth Proportional to 5,177.36, 7,765.98 and 1,890.42

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Solution

The fourth proportional to 5,177.36, 7,765.98 and 1,890.42 is: 2,835.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.36 : 7,765.98 = 1,890.42 : x
  2. Step 2: Convert to fraction form
    5,177.36/7,765.98 = 1,890.42/x
  3. Step 3: Cross multiply
    5,177.36x = 7,765.98 × 1,890.42
  4. Step 4: Simplify right side
    5,177.36x = 14,680,963.91
  5. Step 5: Solve for x
    x = 14,680,963.91/5,177.36
  6. Step 6: Final answer
    x = 2,835.61

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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.