Home / 4,867.60-7,288.44-2,917.12

Finding the Fourth Proportional to 4,867.60, 7,288.44 and 2,917.12

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Solution

The fourth proportional to 4,867.60, 7,288.44 and 2,917.12 is: 4,367.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,867.60 : 7,288.44 = 2,917.12 : x
  2. Step 2: Convert to fraction form
    4,867.60/7,288.44 = 2,917.12/x
  3. Step 3: Cross multiply
    4,867.60x = 7,288.44 × 2,917.12
  4. Step 4: Simplify right side
    4,867.60x = 21,261,254.09
  5. Step 5: Solve for x
    x = 21,261,254.09/4,867.60
  6. Step 6: Final answer
    x = 4,367.91

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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.