Home / 5,140.44-7,710.63-1,244.85

Finding the Fourth Proportional to 5,140.44, 7,710.63 and 1,244.85

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Solution

The fourth proportional to 5,140.44, 7,710.63 and 1,244.85 is: 1,867.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.44 : 7,710.63 = 1,244.85 : x
  2. Step 2: Convert to fraction form
    5,140.44/7,710.63 = 1,244.85/x
  3. Step 3: Cross multiply
    5,140.44x = 7,710.63 × 1,244.85
  4. Step 4: Simplify right side
    5,140.44x = 9,598,542.31
  5. Step 5: Solve for x
    x = 9,598,542.31/5,140.44
  6. Step 6: Final answer
    x = 1,867.26

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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.