Home / 5,077.24-7,615.87-1,379.48

Finding the Fourth Proportional to 5,077.24, 7,615.87 and 1,379.48

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Solution

The fourth proportional to 5,077.24, 7,615.87 and 1,379.48 is: 2,069.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.24 : 7,615.87 = 1,379.48 : x
  2. Step 2: Convert to fraction form
    5,077.24/7,615.87 = 1,379.48/x
  3. Step 3: Cross multiply
    5,077.24x = 7,615.87 × 1,379.48
  4. Step 4: Simplify right side
    5,077.24x = 10,505,898.82
  5. Step 5: Solve for x
    x = 10,505,898.82/5,077.24
  6. Step 6: Final answer
    x = 2,069.22

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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.