Home / 5,209.16-7,813.73-2,287.49

Finding the Fourth Proportional to 5,209.16, 7,813.73 and 2,287.49

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Solution

The fourth proportional to 5,209.16, 7,813.73 and 2,287.49 is: 3,431.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209.16 : 7,813.73 = 2,287.49 : x
  2. Step 2: Convert to fraction form
    5,209.16/7,813.73 = 2,287.49/x
  3. Step 3: Cross multiply
    5,209.16x = 7,813.73 × 2,287.49
  4. Step 4: Simplify right side
    5,209.16x = 17,873,795.89
  5. Step 5: Solve for x
    x = 17,873,795.89/5,209.16
  6. Step 6: Final answer
    x = 3,431.23

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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.