Home / 7,836.25-11,751.63-3,155.04

Finding the Fourth Proportional to 7,836.25, 11,751.63 and 3,155.04

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Solution

The fourth proportional to 7,836.25, 11,751.63 and 3,155.04 is: 4,731.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,836.25 : 11,751.63 = 3,155.04 : x
  2. Step 2: Convert to fraction form
    7,836.25/11,751.63 = 3,155.04/x
  3. Step 3: Cross multiply
    7,836.25x = 11,751.63 × 3,155.04
  4. Step 4: Simplify right side
    7,836.25x = 37,076,862.72
  5. Step 5: Solve for x
    x = 37,076,862.72/7,836.25
  6. Step 6: Final answer
    x = 4,731.45

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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.