Home / 5,917.74-8,169.87-3,931.02

Finding the Fourth Proportional to 5,917.74, 8,169.87 and 3,931.02

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Solution

The fourth proportional to 5,917.74, 8,169.87 and 3,931.02 is: 5,427.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,917.74 : 8,169.87 = 3,931.02 : x
  2. Step 2: Convert to fraction form
    5,917.74/8,169.87 = 3,931.02/x
  3. Step 3: Cross multiply
    5,917.74x = 8,169.87 × 3,931.02
  4. Step 4: Simplify right side
    5,917.74x = 32,115,922.37
  5. Step 5: Solve for x
    x = 32,115,922.37/5,917.74
  6. Step 6: Final answer
    x = 5,427.06

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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.