Home / 5,470.97-8,196.73-3,130.88

Finding the Fourth Proportional to 5,470.97, 8,196.73 and 3,130.88

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Solution

The fourth proportional to 5,470.97, 8,196.73 and 3,130.88 is: 4,690.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470.97 : 8,196.73 = 3,130.88 : x
  2. Step 2: Convert to fraction form
    5,470.97/8,196.73 = 3,130.88/x
  3. Step 3: Cross multiply
    5,470.97x = 8,196.73 × 3,130.88
  4. Step 4: Simplify right side
    5,470.97x = 25,662,978.02
  5. Step 5: Solve for x
    x = 25,662,978.02/5,470.97
  6. Step 6: Final answer
    x = 4,690.75

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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.