Home / 4,871.15-7,306.42-2,405.31

Finding the Fourth Proportional to 4,871.15, 7,306.42 and 2,405.31

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Solution

The fourth proportional to 4,871.15, 7,306.42 and 2,405.31 is: 3,607.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,871.15 : 7,306.42 = 2,405.31 : x
  2. Step 2: Convert to fraction form
    4,871.15/7,306.42 = 2,405.31/x
  3. Step 3: Cross multiply
    4,871.15x = 7,306.42 × 2,405.31
  4. Step 4: Simplify right side
    4,871.15x = 17,574,205.09
  5. Step 5: Solve for x
    x = 17,574,205.09/4,871.15
  6. Step 6: Final answer
    x = 3,607.81

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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.