Home / 8,731.94-13,097.90-2,158.25

Finding the Fourth Proportional to 8,731.94, 13,097.90 and 2,158.25

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Solution

The fourth proportional to 8,731.94, 13,097.90 and 2,158.25 is: 3,237.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.94 : 13,097.90 = 2,158.25 : x
  2. Step 2: Convert to fraction form
    8,731.94/13,097.90 = 2,158.25/x
  3. Step 3: Cross multiply
    8,731.94x = 13,097.90 × 2,158.25
  4. Step 4: Simplify right side
    8,731.94x = 28,268,482.58
  5. Step 5: Solve for x
    x = 28,268,482.58/8,731.94
  6. Step 6: Final answer
    x = 3,237.37

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Similar ratio
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1.5x scale

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.