Home / 5,209.84-7,189.68-2,851.93

Finding the Fourth Proportional to 5,209.84, 7,189.68 and 2,851.93

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Solution

The fourth proportional to 5,209.84, 7,189.68 and 2,851.93 is: 3,935.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209.84 : 7,189.68 = 2,851.93 : x
  2. Step 2: Convert to fraction form
    5,209.84/7,189.68 = 2,851.93/x
  3. Step 3: Cross multiply
    5,209.84x = 7,189.68 × 2,851.93
  4. Step 4: Simplify right side
    5,209.84x = 20,504,464.08
  5. Step 5: Solve for x
    x = 20,504,464.08/5,209.84
  6. Step 6: Final answer
    x = 3,935.72

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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.