Home / 5,177.16-7,764.96-1,890.27

Finding the Fourth Proportional to 5,177.16, 7,764.96 and 1,890.27

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Solution

The fourth proportional to 5,177.16, 7,764.96 and 1,890.27 is: 2,835.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.16 : 7,764.96 = 1,890.27 : x
  2. Step 2: Convert to fraction form
    5,177.16/7,764.96 = 1,890.27/x
  3. Step 3: Cross multiply
    5,177.16x = 7,764.96 × 1,890.27
  4. Step 4: Simplify right side
    5,177.16x = 14,677,870.94
  5. Step 5: Solve for x
    x = 14,677,870.94/5,177.16
  6. Step 6: Final answer
    x = 2,835.12

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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.