Home / 5,208.97-7,816.65-2,088.65

Finding the Fourth Proportional to 5,208.97, 7,816.65 and 2,088.65

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Solution

The fourth proportional to 5,208.97, 7,816.65 and 2,088.65 is: 3,134.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208.97 : 7,816.65 = 2,088.65 : x
  2. Step 2: Convert to fraction form
    5,208.97/7,816.65 = 2,088.65/x
  3. Step 3: Cross multiply
    5,208.97x = 7,816.65 × 2,088.65
  4. Step 4: Simplify right side
    5,208.97x = 16,326,196.50
  5. Step 5: Solve for x
    x = 16,326,196.50/5,208.97
  6. Step 6: Final answer
    x = 3,134.25

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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.