Home / 5,140.98-7,703.39-3,973.84

Finding the Fourth Proportional to 5,140.98, 7,703.39 and 3,973.84

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Solution

The fourth proportional to 5,140.98, 7,703.39 and 3,973.84 is: 5,954.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.98 : 7,703.39 = 3,973.84 : x
  2. Step 2: Convert to fraction form
    5,140.98/7,703.39 = 3,973.84/x
  3. Step 3: Cross multiply
    5,140.98x = 7,703.39 × 3,973.84
  4. Step 4: Simplify right side
    5,140.98x = 30,612,039.32
  5. Step 5: Solve for x
    x = 30,612,039.32/5,140.98
  6. Step 6: Final answer
    x = 5,954.51

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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.