Home / 4,759.48-7,139.82-1,840.36

Finding the Fourth Proportional to 4,759.48, 7,139.82 and 1,840.36

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Solution

The fourth proportional to 4,759.48, 7,139.82 and 1,840.36 is: 2,760.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,759.48 : 7,139.82 = 1,840.36 : x
  2. Step 2: Convert to fraction form
    4,759.48/7,139.82 = 1,840.36/x
  3. Step 3: Cross multiply
    4,759.48x = 7,139.82 × 1,840.36
  4. Step 4: Simplify right side
    4,759.48x = 13,139,839.14
  5. Step 5: Solve for x
    x = 13,139,839.14/4,759.48
  6. Step 6: Final answer
    x = 2,760.77

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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.