Home / 9,759.80-14,642.02-3,185.99

Finding the Fourth Proportional to 9,759.80, 14,642.02 and 3,185.99

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Solution

The fourth proportional to 9,759.80, 14,642.02 and 3,185.99 is: 4,779.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,759.80 : 14,642.02 = 3,185.99 : x
  2. Step 2: Convert to fraction form
    9,759.80/14,642.02 = 3,185.99/x
  3. Step 3: Cross multiply
    9,759.80x = 14,642.02 × 3,185.99
  4. Step 4: Simplify right side
    9,759.80x = 46,649,329.30
  5. Step 5: Solve for x
    x = 46,649,329.30/9,759.80
  6. Step 6: Final answer
    x = 4,779.74

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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.