Home / 4,744.31-7,120.81-2,405.93

Finding the Fourth Proportional to 4,744.31, 7,120.81 and 2,405.93

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Solution

The fourth proportional to 4,744.31, 7,120.81 and 2,405.93 is: 3,611.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,744.31 : 7,120.81 = 2,405.93 : x
  2. Step 2: Convert to fraction form
    4,744.31/7,120.81 = 2,405.93/x
  3. Step 3: Cross multiply
    4,744.31x = 7,120.81 × 2,405.93
  4. Step 4: Simplify right side
    4,744.31x = 17,132,171.09
  5. Step 5: Solve for x
    x = 17,132,171.09/4,744.31
  6. Step 6: Final answer
    x = 3,611.10

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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.