Home / 5,308.39-7,957.09-2,388.75

Finding the Fourth Proportional to 5,308.39, 7,957.09 and 2,388.75

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Solution

The fourth proportional to 5,308.39, 7,957.09 and 2,388.75 is: 3,580.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,308.39 : 7,957.09 = 2,388.75 : x
  2. Step 2: Convert to fraction form
    5,308.39/7,957.09 = 2,388.75/x
  3. Step 3: Cross multiply
    5,308.39x = 7,957.09 × 2,388.75
  4. Step 4: Simplify right side
    5,308.39x = 19,007,498.74
  5. Step 5: Solve for x
    x = 19,007,498.74/5,308.39
  6. Step 6: Final answer
    x = 3,580.65

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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.