Home / 5,235.39-7,224.27-2,877.09

Finding the Fourth Proportional to 5,235.39, 7,224.27 and 2,877.09

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Solution

The fourth proportional to 5,235.39, 7,224.27 and 2,877.09 is: 3,970.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.39 : 7,224.27 = 2,877.09 : x
  2. Step 2: Convert to fraction form
    5,235.39/7,224.27 = 2,877.09/x
  3. Step 3: Cross multiply
    5,235.39x = 7,224.27 × 2,877.09
  4. Step 4: Simplify right side
    5,235.39x = 20,784,874.97
  5. Step 5: Solve for x
    x = 20,784,874.97/5,235.39
  6. Step 6: Final answer
    x = 3,970.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.