Home / 5,097.47-7,642.89-2,137.32

Finding the Fourth Proportional to 5,097.47, 7,642.89 and 2,137.32

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Solution

The fourth proportional to 5,097.47, 7,642.89 and 2,137.32 is: 3,204.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,097.47 : 7,642.89 = 2,137.32 : x
  2. Step 2: Convert to fraction form
    5,097.47/7,642.89 = 2,137.32/x
  3. Step 3: Cross multiply
    5,097.47x = 7,642.89 × 2,137.32
  4. Step 4: Simplify right side
    5,097.47x = 16,335,301.65
  5. Step 5: Solve for x
    x = 16,335,301.65/5,097.47
  6. Step 6: Final answer
    x = 3,204.59

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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.