Home / 5,323.41-7,986.33-2,985.75

Finding the Fourth Proportional to 5,323.41, 7,986.33 and 2,985.75

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Solution

The fourth proportional to 5,323.41, 7,986.33 and 2,985.75 is: 4,479.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,323.41 : 7,986.33 = 2,985.75 : x
  2. Step 2: Convert to fraction form
    5,323.41/7,986.33 = 2,985.75/x
  3. Step 3: Cross multiply
    5,323.41x = 7,986.33 × 2,985.75
  4. Step 4: Simplify right side
    5,323.41x = 23,845,184.80
  5. Step 5: Solve for x
    x = 23,845,184.80/5,323.41
  6. Step 6: Final answer
    x = 4,479.31

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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.