Home / 5,291.60-7,937.33-1,782.38

Finding the Fourth Proportional to 5,291.60, 7,937.33 and 1,782.38

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Solution

The fourth proportional to 5,291.60, 7,937.33 and 1,782.38 is: 2,673.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.60 : 7,937.33 = 1,782.38 : x
  2. Step 2: Convert to fraction form
    5,291.60/7,937.33 = 1,782.38/x
  3. Step 3: Cross multiply
    5,291.60x = 7,937.33 × 1,782.38
  4. Step 4: Simplify right side
    5,291.60x = 14,147,289.65
  5. Step 5: Solve for x
    x = 14,147,289.65/5,291.60
  6. Step 6: Final answer
    x = 2,673.54

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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.