Home / 4,489.07-6,188.49-3,158.64

Finding the Fourth Proportional to 4,489.07, 6,188.49 and 3,158.64

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Solution

The fourth proportional to 4,489.07, 6,188.49 and 3,158.64 is: 4,354.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,489.07 : 6,188.49 = 3,158.64 : x
  2. Step 2: Convert to fraction form
    4,489.07/6,188.49 = 3,158.64/x
  3. Step 3: Cross multiply
    4,489.07x = 6,188.49 × 3,158.64
  4. Step 4: Simplify right side
    4,489.07x = 19,547,212.05
  5. Step 5: Solve for x
    x = 19,547,212.05/4,489.07
  6. Step 6: Final answer
    x = 4,354.41

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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.