Home / 9,097.48-13,646.81-2,857.75

Finding the Fourth Proportional to 9,097.48, 13,646.81 and 2,857.75

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Solution

The fourth proportional to 9,097.48, 13,646.81 and 2,857.75 is: 4,286.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,097.48 : 13,646.81 = 2,857.75 : x
  2. Step 2: Convert to fraction form
    9,097.48/13,646.81 = 2,857.75/x
  3. Step 3: Cross multiply
    9,097.48x = 13,646.81 × 2,857.75
  4. Step 4: Simplify right side
    9,097.48x = 38,999,144.30
  5. Step 5: Solve for x
    x = 38,999,144.30/9,097.48
  6. Step 6: Final answer
    x = 4,286.81

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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.